{
    "dimension_foo": {
        "id": "id-root",
        "name": "root node",
        "mimeType": "application\/x-node",
        "groups": null,
        "URI": "\/",
        "hidden": false,
        "linkId": null,
        "destinationId": null,
        "data": {
            "foo": "bar"
        },
        "index": [
            "id-a",
            "id-b"
        ],
        "nod