{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xf856f635585c0798c2f83aff5449e08c583d1cd3e2e72c8e9b14a32a2256fbfe",
    "signature": "0x6d52c4da0e32ba98e94cc7f0bae29ea4b157b049d18a1a48dc6f9c9a2f10c36572c84d24f0452b4aaa8a3f1811d20249acda387fa02da10984e8aa071d65e8481c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}