{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x7fdad9de7a82fee42105542cfeff5af9fc47e3bdd6d321865a31d38c4f38d759",
    "signature": "0xb0d03e49100f7e0f074e466e74b6344f314aef539c2a156889d08c380862c2b37ed2c7c40917845ae37b61e1d6b24c23cec8bafe7a99d6407a71ae947a28dc581c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}