{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x82c97c41826beafa13f670359c4c9c71c941db50c22af69419f9248f1139b652",
    "signature": "0x6e63f55e9f50eee4476b7219326bcf2b2a55f4260bc5c08b13924a354b5b181219ebe4a7c63aba432cc67bb2101ee0a5056af968315a139de18f33e0423635151b",
    "signer": "0x9795fdFFB0f6D8C16721D324F9bC3A50b3F7Ed44",
    "userId": "648710515"
  }
}