{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0b6a4cb58e176176af2914d2b99590bf97437728bdb5d4526be18edc2c5f58e4",
    "signature": "0xe81d15b300391c3bdd9e38d9076d8666b7566352f09a912ceeb68e2e8367ef5336985a4af87803dc73b058a85a8a78f4072be7687f930948c42ae971e5773ffc1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}