{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x200964890aa4ce064bdd0db56b3c5843833f519309e0b583566bc634f54ef14f",
    "signature": "0xda3b748ec869f36893192b742b2bef7bf4d52024c440ec6d43dbbfc733cb3b112c456b75313aa36f5abf8a4b798b9a582f9acb7b9f33b3e74974f1ce86cbb4551b",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}