[
    {
          "title": "test asciinema",
          "subtitle": "subtitle1",
          "type": "asciinema",
          "desc": "description",
          "file": "demo.cast"
    },
    {
          "title": "test vimeo",
          "subtitle": "subtitle",
          "type": "video1",
          "desc": "description1",
          "file": "demo.mp4"
    }
]