{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313481598",
    "entityType": "User",
    "nonce": "0x305d3d0a83cdd00b4bd7543e71371b21187846c95bad1668c0b5dfd971e37afe",
    "signature": "0x4c62d8b8eb11a9a20c56d533f554363bc22129cf61d311a5d121e840bd5a9637337967040330c86fc89a14f51d30e5d48fcbe64513c0576896a312c24242e32e1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}