{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x22625bc2a2fb6d8890c29ad54acf5f639c3d3a452ef78dc65c09df85bc0751bb",
    "signature": "0xaeba71c2d12c29b8fab627aa0ba9984e9fffffaad3e8acc659717823017d8cc51c0d4e489ded14b80a5658ffe13cb1bd021c4725c4f7c915933a1bfb8e465c471b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}