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                    "validBefore": "2015-03-29T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-close_friends-virt_4.t97wy07g\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"dwCrT8Jzac8GzFvK903FsJ7LdPscSSNAEKitFx5g94k\"}"
                },
                {
                    "roundId": "jmzr3EfK",
                    "validSince": "2012-12-04T00:00:00.000",
                    "validBefore": "2013-01-25T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-close_friends-virt_4.jmzr3EfK\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"o9bwMeZeZ6LHH5kmP2kmt0goBL-q1N45AWi8xYiaD7Y\"}"
                },
                {
                    "roundId": "JkddNeed",
                    "validSince": "2010-03-28T00:00:00.000",
                    "validBefore": "2012-12-04T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-close_friends-virt_4.JkddNeed\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"svO7VljYKFTd0J66wqWbe-ZsD99ARkCue_K5EIE-o84\"}"
                }
            ]
        },
        {
            "displayName": "Close Friends (virt 5)",
            "groupId": "grp-brownbird564-close_friends-virt_5",
            "virtual": true,
            "roundKeys": [
                {
                    "roundId": "OT_LjL6D",
                    "validSince": "2020-01-31T00:00:00.000",
                    "validBefore": "2020-03-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-close_friends-virt_5.OT_LjL6D\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"fGYsPY2UdjbhPpM-sfoDdDjUuX21OT_NYndEKbz0BSg\"}"
                },
                {
                    "roundId": "t2l-csLZ",
                    "validSince": "2015-03-29T00:00:00.000",
                    "validBefore": "2020-01-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-close_friends-virt_5.t2l-csLZ\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"0AGDZCEcEeDc7WYGl3xOfiSjlbl9uJdVripRdtU2_ps\"}"
                },
                {
                    "roundId": "TKlbsdHP",
                    "validSince": "2010-03-28T00:00:00.000",
                    "validBefore": "2015-03-29T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-close_friends-virt_5.TKlbsdHP\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"RBwlx_GT0ljCL22Sx43n2pEbWR-sKYEdssbglsjIdcY\"}"
                }
            ]
        },
        {
            "displayName": "Close Friends (virt 6)",
            "groupId": "grp-brownbird564-close_friends-virt_6",
            "virtual": true,
            "roundKeys": [
                {
                    "roundId": "oMSqGDH-",
                    "validSince": "2015-03-29T00:00:00.000",
                    "validBefore": "2020-03-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-close_friends-virt_6.oMSqGDH-\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"AKDc5aVze88M7A68xc64ENtcmECg7BtSAUWNOuePyCw\"}"
                },
                {
                    "roundId": "0OWrp5rb",
                    "validSince": "2010-03-28T00:00:00.000",
                    "validBefore": "2015-03-29T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-close_friends-virt_6.0OWrp5rb\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"OTdQMAPnhbg-fRJNdm1cCEcAoRu0VrQswTNwORHTLKQ\"}"
                }
            ]
        },
        {
            "displayName": "Family (virt 0)",
            "groupId": "grp-brownbird564-family-virt_0",
            "virtual": true,
            "roundKeys": [
                {
                    "roundId": "0-6-_2qh",
                    "validSince": "2015-03-29T00:00:00.000",
                    "validBefore": "2020-03-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_0.0-6-_2qh\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"1x7ldlQ_YKgbTFTZ-odHGjfIIF5xhSZSBUNx5L-QDRc\"}"
                },
                {
                    "roundId": "5xYA-o-2",
                    "validSince": "2013-10-20T00:00:00.000",
                    "validBefore": "2015-03-29T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_0.5xYA-o-2\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"tWoxuf7jxoT-f12udKEzcLdshr0YlLmREl0yJU39yoI\"}"
                },
                {
                    "roundId": "ceDo1WYB",
                    "validSince": "2010-03-28T00:00:00.000",
                    "validBefore": "2013-10-20T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_0.ceDo1WYB\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"aLfT83n5PFYpkfvCob21NC_u7sk5pUmm2ATR973k0QY\"}"
                }
            ]
        },
        {
            "displayName": "Family (virt 1)",
            "groupId": "grp-brownbird564-family-virt_1",
            "virtual": true,
            "roundKeys": [
                {
                    "roundId": "pW0F9L8k",
                    "validSince": "2015-03-29T00:00:00.000",
                    "validBefore": "2020-03-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_1.pW0F9L8k\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"QIW71UvJ1-MbzegF-Thbm1W4e31D9vpmnrn8hMgC0zw\"}"
                },
                {
                    "roundId": "AaWGyaM9",
                    "validSince": "2012-01-21T00:00:00.000",
                    "validBefore": "2015-03-29T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_1.AaWGyaM9\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"I-nLPdvMR099m07ZIai6TlKD5OkZeufZUUC1ZtzWWCU\"}"
                },
                {
                    "roundId": "tzVRUwSP",
                    "validSince": "2010-03-28T00:00:00.000",
                    "validBefore": "2012-01-21T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_1.tzVRUwSP\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"0imK5VVuHRWO-N8CeVcue07mqxer8DLDtVMZ0QtVTlI\"}"
                }
            ]
        },
        {
            "displayName": "Family (virt 2)",
            "groupId": "grp-brownbird564-family-virt_2",
            "virtual": true,
            "roundKeys": [
                {
                    "roundId": "hj4nOgF8",
                    "validSince": "2017-09-19T00:00:00.000",
                    "validBefore": "2020-03-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_2.hj4nOgF8\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"0_HeMpuYnyDPzO2y13c3GTOiV1nhk81xs0oyHQoRixY\"}"
                },
                {
                    "roundId": "hl5HTJta",
                    "validSince": "2016-03-31T00:00:00.000",
                    "validBefore": "2017-09-19T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_2.hl5HTJta\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"CvJO0vwyoaV1UGoR5FGgKWCHdpqnyEixTT9Mz32gJJc\"}"
                },
                {
                    "roundId": "qncTdOg7",
                    "validSince": "2015-03-29T00:00:00.000",
                    "validBefore": "2016-03-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_2.qncTdOg7\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"nKocBYkHC5nNwMn4KVY7QvmMbTuFhTi-Nqmbaffah80\"}"
                },
                {
                    "roundId": "T9CX8NrU",
                    "validSince": "2013-07-24T00:00:00.000",
                    "validBefore": "2015-03-29T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_2.T9CX8NrU\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"KZwDPaQHlmwZnNdDkWwOt7Jj5PaXQxg8MYmSgiZeSGs\"}"
                },
                {
                    "roundId": "ep3vXwWP",
                    "validSince": "2010-03-28T00:00:00.000",
                    "validBefore": "2013-07-24T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_2.ep3vXwWP\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"g1ZmAWnIqT30oDYPrHIzOjfgdGLnvk2w6T2OxaVJcA0\"}"
                }
            ]
        },
        {
            "displayName": "Family (virt 3)",
            "groupId": "grp-brownbird564-family-virt_3",
            "virtual": true,
            "roundKeys": [
                {
                    "roundId": "Cl8edUJ9",
                    "validSince": "2015-09-28T00:00:00.000",
                    "validBefore": "2020-03-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_3.Cl8edUJ9\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"vPIZqUzjlYU80VqIzr224djHzZQGHUe1kOBXi5gayuE\"}"
                },
                {
                    "roundId": "kyrmMiuL",
                    "validSince": "2015-03-29T00:00:00.000",
                    "validBefore": "2015-09-28T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_3.kyrmMiuL\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"VsfogGaRwcPw4t0cfryyuC4fOVnzJBEiH8YMpuXcZWE\"}"
                },
                {
                    "roundId": "B1Pdfuzf",
                    "validSince": "2010-03-28T00:00:00.000",
                    "validBefore": "2015-03-29T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_3.B1Pdfuzf\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"qtxNiW0YBjmzrxjV0QEaqFGcQPkm6hy17ASIloxWDEk\"}"
                }
            ]
        },
        {
            "displayName": "Family (virt 4)",
            "groupId": "grp-brownbird564-family-virt_4",
            "virtual": true,
            "roundKeys": [
                {
                    "roundId": "wi1Efl-f",
                    "validSince": "2015-12-23T00:00:00.000",
                    "validBefore": "2020-03-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_4.wi1Efl-f\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"mjbfz3rmaHwnng0cDKQiHBRaO8LgtG6Olu9ovqcW7lY\"}"
                },
                {
                    "roundId": "48BDyZJI",
                    "validSince": "2015-03-29T00:00:00.000",
                    "validBefore": "2015-12-23T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_4.48BDyZJI\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"Koja1y8t6bf97HoJhAUdxYjpAt1pl-3B9ba5shlSHMo\"}"
                },
                {
                    "roundId": "J07ECLr3",
                    "validSince": "2012-12-04T00:00:00.000",
                    "validBefore": "2015-03-29T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_4.J07ECLr3\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"cS9aWUvEulYBKwc39d1ijD0zXgCCJpAupNzoRoClzkU\"}"
                },
                {
                    "roundId": "SI3ogB71",
                    "validSince": "2010-03-28T00:00:00.000",
                    "validBefore": "2012-12-04T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_4.SI3ogB71\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"SpAodddrONvNHp6dwvpKwwT3nCneN3_6NaYn_rdn5T8\"}"
                }
            ]
        },
        {
            "displayName": "Family (virt 5)",
            "groupId": "grp-brownbird564-family-virt_5",
            "virtual": true,
            "roundKeys": [
                {
                    "roundId": "xFpKBiyD",
                    "validSince": "2020-01-31T00:00:00.000",
                    "validBefore": "2020-03-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_5.xFpKBiyD\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"0na1BbFaocvn5IooUchvr3ShYmP0RsPRbLDWODdB_Hk\"}"
                },
                {
                    "roundId": "hTkVb0Km",
                    "validSince": "2019-02-26T00:00:00.000",
                    "validBefore": "2020-01-31T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_5.hTkVb0Km\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"QATfdkDciyneUeuqH-VaWE0EDNrOP8KFZ-Cam1Y5fBM\"}"
                },
                {
                    "roundId": "hidv9_KT",
                    "validSince": "2015-03-29T00:00:00.000",
                    "validBefore": "2019-02-26T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_5.hidv9_KT\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"1HXbK2ppTlaU94uihK1OZM8E8MaFg6e1eEo5iF4grMg\"}"
                },
                {
                    "roundId": "tJP5yeiL",
                    "validSince": "2010-03-28T00:00:00.000",
                    "validBefore": "2015-03-29T00:00:00.000",
                    "key": "{\"kid\":\"grp-brownbird564-family-virt_5.tJP5yeiL\",\"kty\":\"oct\",\"alg\":\"A256GCM\",\"k\":\"nIA6_73I1YfeDOrcl0Xp3aQakDf8DTyS29FhNeuc3Rk\"}"
                }
            ]
        }
    ],
    "groupMemberships": [
        {
            "groupId": "grp-brownbird564-close_friends",
            "memberOf": "grp-brownbird564-friends"
        },
        {
            "groupId": "grp-brownbird564-family",
            "memberOf": "grp-brownbird564-friends"
        },
        {
            "groupId": "grp-brownbird564-friends-virt_0",
            "memberOf": "grp-brownbird564-friends"
        },
        {
            "groupId": "grp-brownbird564-friends-virt_1",
            "memberOf": "grp-brownbird564-friends"
        },
        {
            "groupId": "grp-brownbird564-friends-virt_2",
            "memberOf": "grp-brownbird564-friends"
        },
        {
            "groupId": "grp-brownbird564-friends-virt_3",
            "memberOf": "grp-brownbird564-friends"
        },
        {
            "groupId": "grp-brownbird564-close_friends-virt_0",
            "memberOf": "grp-brownbird564-close_friends"
        },
        {
            "groupId": "grp-brownbird564-close_friends-virt_1",
            "memberOf": "grp-brownbird564-close_friends"
        },
        {
            "groupId": "grp-brownbird564-close_friends-virt_2",
            "memberOf": "grp-brownbird564-close_friends"
        },
        {
            "groupId": "grp-brownbird564-close_friends-virt_3",
            "memberOf": "grp-brownbird564-close_friends"
        },
        {
            "groupId": "grp-brownbird564-close_friends-virt_4",
            "memberOf": "grp-brownbird564-close_friends"
        },
        {
            "groupId": "grp-brownbird564-close_friends-virt_5",
            "memberOf": "grp-brownbird564-close_friends"
        },
        {
            "groupId": "grp-brownbird564-close_friends-virt_6",
            "memberOf": "grp-brownbird564-close_friends"
        },
        {
            "groupId": "grp-brownbird564-family-virt_0",
            "memberOf": "grp-brownbird564-family"
        },
        {
            "groupId": "grp-brownbird564-family-virt_1",
            "memberOf": "grp-brownbird564-family"
        },
        {
            "groupId": "grp-brownbird564-family-virt_2",
            "memberOf": "grp-brownbird564-family"
        },
        {
            "groupId": "grp-brownbird564-family-virt_3",
            "memberOf": "grp-brownbird564-family"
        },
        {
            "groupId": "grp-brownbird564-family-virt_4",
            "memberOf": "grp-brownbird564-family"
        },
        {
            "groupId": "grp-brownbird564-family-virt_5",
            "memberOf": "grp-brownbird564-family"
        }
    ]
}