{
    "background_data": [
        {
            "background_name": "alt_background",
            "background_scale": "tile",
            "background_sprite": "background_sample",
            "background_sprite_16x9": "",
            "tileMoveSpeedX": 50,
            "tileMoveSpeedY": 100
        }
    ],
    "themes": [
        {
            "back_board": "back_board_sample_snow",
            "background_name": "alt_background",
            "decoration_name": "smilies",
            "theme_name": "snow"
        }
    ]
}