{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1646345",
    "entityType": "User",
    "nonce": "0x0966bf87997bd48c150036414183eb081b0dc020fbe6df5c8b88e7bc6897b4e4",
    "signature": "0xb1348028255806d6a948a5d8caf5dd9b65ff93bd721243616f80bfc4ae6955175c500f2fba5893d7a9c423df96c847cfc18b2b07a76db27d07b6d1df09a4c35d1b",
    "signer": "0x14A55CAAD52a18f76025A94865ce06ED8A0Ea2cC",
    "userId": "653598798"
  }
}