Simple luma matte transitions video template

{
    "timeline": {
        "soundtrack": {
            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/music/unminus/palmtrees.mp3",
            "effect": "fadeOut"
        },
        "background": "#000000",
        "tracks": [
            {
                "clips": [
                    {
                        "asset": {
                            "type": "title",
                            "text": "Luma Matte Demo",
                            "style": "marker",
                            "size": "small"
                        },
                        "start": 0,
                        "length": 3.5,
                        "transition": {
                            "in": "fade",
                            "out": "fade"
                        }
                    }
                ]
            },
            {
                "clips": [
                	{
                        "asset": {
                            "type": "luma",
                            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/luma-mattes/circles/center-double.mp4"
                        },
                        "start": 2.24,
                        "length": 1.76
                    },
                    {
                        "asset": {
                            "type": "video",
                            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/footage/table-mountain.mp4"
                        },
                        "start": 0,
                        "length": 4,
                        "transition": {
                            "in": "fade"
                        }
                    }
                ]
            },
            {
                "clips": [
                	{
                        "asset": {
                            "type": "luma",
                            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/luma-mattes/waves/double-vertical.mp4"
                        },
                        "start": 4.92,
                        "length": 1.32
                    },
                    {
                        "asset": {
                            "type": "video",
                            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/footage/road.mp4"
                        },
                        "start": 2.24,
                        "length": 4
                    }
                ]
            },
            {
                "clips": [
                    {
                        "asset": {
                            "type": "luma",
                            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/luma-mattes/grids/pattern-3-invert.mp4"
                        },
                        "start": 8.08,
                        "length": 1.84
                    },
                    {
                        "asset": {
                            "type": "video",
                            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/footage/lake.mp4"
                        },
                        "start": 4.92,
                        "length": 5,
                        "transition": {
                            "out": "fade"
                        }
                    }
                ]
            },
            {
                "clips": [
                    {
                        "asset": {
                            "type": "video",
                            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/footage/beach-cliffs.mp4"
                        },
                        "start": 8.08,
                        "length": 5,
                        "transition": {
                            "out": "fade"
                        }
                    }
                ]
            }
        ]
    },
    "output": {
        "format": "mp4",
        "resolution": "hd"
    }
}