{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74011",
    "entityType": "User",
    "nonce": "0xbcd6f0c9259d451785d9e8ac05931719d8f220cae30972835095789c5987a695",
    "signature": "0x1e5913d3b6715faf2e4b242155cf811fd41e6c2f00880b594a6d436a5ac451391fea9dd24358fb75ec1839eef698ffc4a4743f0e799f1f79d2e3fbc4423f5ebe1c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}