Superevent Vo Event

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{
    "voevent_type": "IN",
    "file_version": 0,
    "ivorn": "ivo://gwnet/LVC#S190828j-2-Initial",
    "created": "2019-08-28 06:59:47 UTC",
    "issuer": "emfollow",
    "filename": "S190828j-2-Initial.xml",
    "N": 2,
    "links": {
        "self": "https://gracedb.ligo.org/api/superevents/S190828j/voevents/2/",
        "file": "https://gracedb.ligo.org/api/superevents/S190828j/files/S190828j-2-Initial.xml,0"
    }
}