{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x663de8c689661bd282e13dbc79d286def56d741257dcfb1d9c08b1b8c5d415ae",
    "signature": "0x9ded7fe7ab1ca12a333526d71a85e006d2126e730a52745ae187979995372f23717a813a16204248a70385e7f5e73706d2eacf561f7b1d2d97e8947c1f7df4251b",
    "signer": "0xe34F23cA090883962C685AcEdB03bda2a4571FeC",
    "userId": "59885283"
  }
}