[
    {
        "name": "test1",
        "collisions": [
            {
                "x": 0,
                "y": 0,
                "width": 100, "height": 100
            },
            {
                "x": 50, "y": 400,
                "width": 100, "height": 50
            }
        ],
        "coins": [
            {"x": 100, "y": 50},
            {"x": 10, "y": 5},
            {"x": 50, "y": 150}
        ]
    },
    {
        "name": "test2",
        "collisions": [
            {
                "x": 50,
                "y": 50,
                "width": 10, "height": 7
            },
            {
                "x": 400, "y": 50,
                "width": 5, "height": 350
            }
        ],
        "coins": [
            {"x": 200, "y": 30},
            {"x": 20, "y": 3},
            {"x": 30, "y": 330}
        ]
    }
]