{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x676c2f463beeee3380a6fcb66478ffb4825726d90292f4c1c9f66b3ddb6e0639",
    "signature": "0x2439dcebf7ef26aee9ec4b64d0dda853614585a9852878cac1c2ebe25e0f64d87468ac50f6edf25a525441071b3e091a836104d9f6bbface2c178a596937b1dd1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}