{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x35a3ccb0adcd2af82ca2833018d74889aef5e9e273dbf4a28a6bd5d202e21d2b",
    "signature": "0x7b54ee79e41a60c392fcab8a8a339ba4a359e6ce688bd51fc92bbbb1664d2a5e63e7b4525194f4f46ce77a60ce82b69d22f62c401baef6da96f8a65417bd0a071c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}