{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163171",
    "entityType": "User",
    "nonce": "0xd49351fb12d8c12a226fb3964f878abedf36d37addd52d1e8677084cf9091bfb",
    "signature": "0x1c5469e4d389a316fd5705f63db236aa9dd45ead87db740ec5bdf99a27efadf061230d02431fff51a08bd8a1c6547387f4c53c137a7b5c27f7d07ea340eb5bf91c",
    "signer": "0x8e1f249f7449a6Bb3b958c16Fdc1c6F1120A56C7",
    "userId": "857664554"
  }
}