{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804422713",
    "entityType": "User",
    "nonce": "0x6ed8a3c3beaf40cbed1030f89dfe5d4a83d97e6cbb4a5c5ca027c31eaff10f48",
    "signature": "0xfdb37e0267e18362701e977bc5eb94b303261bccecc595484b86bf07555cbf5927fbba5ff032f98a70903bcaf52cdab1efbd71ccaaa9110e1cad6fa53fbe3e051b",
    "signer": "0x4086Dda2D91F77cd46De0859a4de37F888508faA",
    "userId": "568518925"
  }
}