{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5a601c0fbd4434fc17bdae8256fb1cef82b1f0bf18dc7ce839c537a59b11eb38",
    "signature": "0xf605f8c7f625564cb59ca6444ddad0b1da2a819c1263d0bc16a22d8cd03d3f8e751c96d703b86147ac1546efdd8fdcd81e19af3d70c5d93c9a669532923166b81b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}