{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4a214e4726adb8f46476477962f2c4f14545f1e1722627bdc6b084ed6b3195cc",
    "signature": "0x0e714d23cfaaf561f17a48ee60f73adb930334b345032415054a90739d1b18c758c63a77f3a2a3e0d0d3552b224eb0c3d8fbe5812d4f0b7b9e72a9fb699d848d1b",
    "signer": "0x1F72a867373a27415F35f6EBA90FDA6490780a43",
    "userId": "243685858"
  }
}