{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x72aad0dbfaf0a5b3bb6fd36c4607a38d32a8a204a580b40d1218499c9a6989cb",
    "signature": "0xea8a6c14cb098ea4cab6c8a24a73f1e49d168c9bc2dfd87600fd23cfe6c9f0827ac5888928f24c007d7c9a7f7a775aa2a6501294251d99cde9c79e99c5aac9ed1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}