{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x4df7d067e7de292db3eb2bb48a9fbd753014a404973e142e33c8d3546d9b94e9",
    "signature": "0x4f0f8828b6991b53809a3217c4d09ddb0a2e09aec8ab9de8b168db5ea13128b072323989d5faa03adb02cfd459fd558e7bc8ac79279a75c346f66be3c695309b1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}