key

{
    "themeId": 0,
    "themeName": "string",
    "courseInfo": {
        "courseId": 0,
        "courseName": "string",
        "courseIntroduction": "string",
        "courseCover": {
            "previewUrl": "string",
            "temporaryUrl": "string",
            "id": 0
        },
        "coursewareNames": [
            "string"
        ],
        "isNew": true,
        "isClickable": true
    },
    "level": 0,
    "children": [
        {
            "themeId": 0,
            "themeName": "string",
            "courseInfo": {
                "courseId": 0,
                "courseName": "string",
                "courseIntroduction": "string",
                "courseCover": {
                    "previewUrl": "string",
                    "temporaryUrl": "string",
                    "id": 0
                },
                "coursewareNames": [
                    "string"
                ],
                "isNew": true,
                "isClickable": true
            },
            "level": 0,
            "children": [
                {}
            ]
        }
    ]
}