{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "679513519",
    "entityType": "User",
    "nonce": "0x0b8b773ffbf70c1c339948b35dd438894282fc8c0227dd4004a4c05e128a7170",
    "signature": "0x7456a141b8ed3e593839d2c5dc982a4c76952c18a928cc6e94421fb1689a8ac46cd40a650c2d263c639996ad3691a9f6524716484799fd3299a574da15918cce1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}