{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x20cd89d81b91a9b85df16de8801346e6e1172819d8113f4dcd40d8b722381bb5",
    "signature": "0x0c9eb6aaaeb3e7860fbe137e2265ddccf8b4fe1c5744f42271fd84537f1b96f44bf1da5712191f956da44f5a4b3662723c8af7d1fd685db3acc6a76b8db18da31b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}