{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71103",
    "entityType": "User",
    "nonce": "0x49e874ddfe8fdc19818f49a15698413608a39ab3827249df470db7c5cfe62049",
    "signature": "0x731df21988f2efc2af39477add8a7dd45c90f8045bb9cbf6b06e2a9baaeaa5485c7ac48fa27f972105cc3e8a3dad27984e41b5e945b5d1846ecbbcbb69352b3e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}