{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xb0e1afad5b3540365de51fe0ba286bc8bfebe98333c8c4b77884c1f0c4d8d313",
    "signature": "0x532df3327c19eb05349ca8273a56960744cefeac904e9707c2d9f85161072d497dbbefdae7cb24c69eb2b566a23f822d15c9283250a592821e0e17fe3e13fb591b",
    "signer": "0xD7ee815d46C5aC4774246f8F1B91342c1D31E86A",
    "userId": "898922309"
  }
}