{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x3086866385687425aee63498667fb586dadfe5367227deabbb27e2e9883ec983",
    "signature": "0xf4614c206dca16f8df090f40629f82425c45d2ad1ca069cff45eb086b121271b24c7c764f7747bc250d69bab5fcede21636bc5d597d0c2a37294acf029a8a2c61b",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}