{
    "id": "v-chemistry",
    "name": "Chemistry",
    "url": "/tree/chemistry",
    "source": "https://example.com",
    "description": "A test vocabulary",
    "children": [
        {
            "id": "organometallic-compound",
            "name": "Organometallic Compound",
            "order": null,
            "url": "/tree/chemistry#c-organometallic-compound",
            "children": [],
            "data": {
                "type": "concept",
                "depth": 0
            }
        }
    ],
    "data": {
        "type": "vocab"
    }
}