{
    "tilejson": "2.1.0",
    "format" : "quantized-mesh-1.0",
    "version" : "1.0.0",
    "scheme" : "tms",
    "tiles" : [
        "{z}/{x}/{y}.terrain?v={version}"
    ],
    "extensions" : [
        "octvertexnormals",
        "watermask"
    ],
    "available" : [
        [
            {
                "startX" : 0,
                "startY" : 0,
                "endX" : 1,
                "endY" : 0
            }
        ],
        [
            {
                "startX" : 0,
                "startY" : 0,
                "endX" : 3,
                "endY" : 1
            }
        ]
    ]
}