{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111000",
    "entityType": "User",
    "nonce": "0xc139de0ccf1f3025f109c477c81e7497021484d08da30a0577dd28e57d3409f1",
    "signature": "0x6d4d35c0bcc00965dd7e44c42d0bdc1a629355aaa5725ac40ff1cf3026e7cfc42f4ca00775e4b0bf63beaebff548cf5feadbbe579e169997d4bc9c06685d8aef1c",
    "signer": "0x316933E449A0b429014E405447c447C9Bc472bE9",
    "userId": "451684863"
  }
}