{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3eddb60e715dc3e75e92a105d7ac38114acca1d39528e882a83c992fd80396b0",
    "signature": "0x269e821636b8303e17bbfdc8cb107c04868bedcf42337a4f6d0e47c4bb0c64881569ef8e7fa513e4c5286b8ca059de5595470b0ee5398cb2cd42e03060e712121c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}