{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "763088",
    "entityType": "User",
    "nonce": "0x469138ef370568c0caa8d5750ae923182ef2390ccb175de7466b874261142b72",
    "signature": "0x65ddc74da82e1883154c13881a3b924e094da011dafda76b30b5ba3d112f00af32834acf68879bd71f433cf7ee5fc8c89a8a25fb099356432b0c7fcdb755cfaf1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}