{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x53e0dd39e2b07cfd8e3e8cee8a5d55007986c097046e4399748d9ac2104469a3",
    "signature": "0x9c237ba169856da5282d57a0a9f8e2aa4d3e5fd067d670f741b29ea61de49c66232b9c739f3ae690eba3eda1c0198060f8dff81abc72f88936e38791016d1aae1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}