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        "id": "document",
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        "clock": {
            "interval": "2012/2016"
        }
    },
    {
        "description": [
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                "interval": "2012/2013",
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            },
            {
                "interval": "2013/2016",
                "string": "Later days"
            }
        ],
        "name": "Test Zone",
        "polygon": {
            "material": {
                "solidColor": {
                    "color": {
                        "rgba": [
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                        ]
                    }
                }
            },
            "outline": true,
            "outlineColor": {
                "rgba": [
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                    50,
                    50,
                    200
                ]
            },
            "positions": {
                "cartographicDegrees": [
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                    0,
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    }
]