{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3807c8749d8ad1af6d7b16468bb77af798e41ab6c550426ed2d508e768626a69",
    "signature": "0x31d6aaa79ce9c4b60be33f7a28e4b9a2d38166ab6e57211fa1ed5e39c69f2133176b22fb7a5b70964ecf41face00e9bc3978f1b3a01277a78efd29bf93de0a0e1b",
    "signer": "0x16F858c4A1204EFce8c84B80C23c9D10Ea2FEB17",
    "userId": "832663986"
  }
}