{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdddfedd2074c5ff9ce7d4e70aae1d485737f5c26ccc4be756ceccc6cb31f23a8",
    "signature": "0x9de757edf1cfac045b9b324153c1be50df9a7d933219e72c38f8df9e32e7a41b5feb8fd6162424636c28e5d4c991a928536061f7304e4c22f037a635740a398d1c",
    "signer": "0xEeeC97Ca106a9FcdBf9c1B313275391bD80c7020",
    "userId": "751297159"
  }
}