StageVO

{
    "stageId": 0,
    "stageName": "string",
    "stageSort": 0,
    "items": [
        {
            "itemId": 0,
            "itemName": "string",
            "itemSort": 0,
            "itemType": 0,
            "taskType": 0,
            "coursewareType": 0,
            "status": 0,
            "studyDuration": 0,
            "dataId": 0,
            "subItems": [
                {}
            ]
        }
    ]
}