{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x45cc5f4675f09144157e0386b8999241de3f3c8414aadb17dbc70d83f0d2d7d2",
    "signature": "0xa5009326815e284fa9cc4d35e5da6c1ce419db4f76e8fba81bad1cac164769640be87297351edefb6721bb7652e710cce225f1cad425e47491e68d838347e86f1c",
    "signer": "0xe53b7523A8cb357D91c0DDF6C1FC39fe6b6D22a4",
    "userId": "76259"
  }
}