foo.json

{
    "homeCamera": {
        "north": -8,
        "east": 158,
        "south": -45,
        "west": 109
    },
    "catalog": [
        {
            "name": "Test group",
            "type": "group",
            "items": [
                {
                    "type": "wms-getCapabilities",
                    "name": "GSKY Server",
                    "url": "http://gsky.nci.org.au/ows"
                }
            ]
        }
    ]
}