{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73514",
    "entityType": "User",
    "nonce": "0xb41c8671c37f5bcd18114161550678db247d8656fb52a0f8c15723d04321dfd6",
    "signature": "0x5a2795173455601c3397d320630e776f531c5aac9546b864493d4da2ab7d7f1d37dcc46c05b75bd17c5739237f9e1fd3f38c7941ead037d3caaea8e0556167241c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}