Superevent Vo Event

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Cache-Control: max-age=0, must-revalidate, no-store, no-cache
Content-Type: application/json
Expires: Thu, 13 Aug 2020 03:21:25 GMT
Vary: Accept

{
    "voevent_type": "UP",
    "file_version": 0,
    "ivorn": "ivo://gwnet/LVC#S200208q-4-Update",
    "created": "2020-02-12 06:51:27 UTC",
    "issuer": "emfollow",
    "filename": "S200208q-4-Update.xml",
    "N": 4,
    "links": {
        "file": "https://gracedb.ligo.org/api/superevents/S200208q/files/S200208q-4-Update.xml,0",
        "self": "https://gracedb.ligo.org/api/superevents/S200208q/voevents/4/"
    }
}