{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb7d161058b21ed6d339fc7e3f5d318f67a61650ba3f5df13bef6086cb3bff010",
    "signature": "0x6093946627ca488b5d460ee6aed9481ab2643f08bb84d75d2750b248040a274621e10162f70e9002f609b3411047eedd6a1c47b2be91477e23eba24496177e6d1c",
    "signer": "0x5d29D6e39f0D08D00F0809aA1a4D02Ca315907eb",
    "userId": "582313232"
  }
}