[
    {
        "text": "collapsible sections",
        "links": [
            {
                "text": "Third Topic",
                "url": "Documents/Third_Topic.htm"
            }
        ]
    },
    {
        "text": "related topics",
        "links": [
            {
                "text": "Second Topic",
                "url": "Documents/Second_Topic.htm"
            }
        ]
    }
]