bunkerbox/templates/data/videowallplaylist.json

{
        "wallType" : "playlist",
        "playlists" : [{
            "name" : "Home",
            "cover" : "astroport.jpg",
            "videos" : [{
                    "src" : "/images/video-wall/sample1.mp4",
                    "poster" : "/images/video-wall/posters/sample1.png",
                    "mime" : "video/mp4",
                    "title": "Circus Juggler Video"
                }]
        }]
}