{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa9213b4c3f3792c84467c694541f62abd1cc4f05715e5b528ff513d329b68df6",
    "signature": "0x24a54c04c8d28a1901cbf10cda6305a3af6182f373446c6a8baec09e908bd1bc42244994d93869c62b9e0fde8dfb825422e38accb052322b8cf3f6f04c2956c81c",
    "signer": "0x2C858a7af076b6c49361ce455FD172AcC330cA4e",
    "userId": "956061500"
  }
}