{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xee5744957193070cd23cbf730c4a350a0b0b366089723a1103c05adc970238f0",
    "signature": "0x2dd79de4306a1ea203ac9d0420d8decc569c00b42c71c90b71ef0954b49710ed07d378f965f8d7931c41d5aedea39b6ba1e0d6f0fbe7059395d8fc7c50c267901c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}