{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9167a9d33e893b9d6da9cc4c5fd2b593ee00fdcda225f0e8022eb25f007d2ebd",
    "signature": "0x2b1ea6d0b883f3b88182ad81dfd24efba3d5e2c4cf8647d4d1563d0d8aab53ae2b44c8ad9111f416e2960392dc6b6a4bf47ccc4e457f983b1afbc70c6816326f1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}