{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x2e27263c8b774277663ff740e92d8ae62c9df9c71951c547f08c37a63ebe12ca",
    "signature": "0x90fd8094db891bfcd9637a1c06ae98c2f69cac89585f29028c1ffffb1418b5364ec72ba66be8555c75bceda220adb81a20eff99c831bd14735c537e99b5fdbc71c",
    "signer": "0x1762311451f81FD83EF02A8dAE43855C5ce1713B",
    "userId": "613326373"
  }
}