{
    "warps": [
        {
            "blend": {
                "edges": "0, 0, 0.5, 0.5",
                "exponent": 2.0,
                "gamma": "1, 1, 1",
                "luminance": "0.5, 0.5, 0.5"
            },
            "brightness": 1.0,
            "type": 2,
            "warp": {
                "columns": 2,
                "control points": [
                    "0, 0",
                    "1, 0",
                    "1, 1",
                    "0, 1"
                ],
                "rows": 2
            }
        }
    ]
}