{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe37201306f049d6515c09894ca1646a9f948e7a5647804a09738c43a36d9df18",
    "signature": "0x593cfbfec8a8bdce2180eb6cb356333df0fa200014ba712d1efa905ff59a16d50cde17db3caeb7b897036e92187c7594031974b9627b60c89f501d8c077c01451b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}