{
  "layers": [
    {
      "name": "Scrolling Contents Layer",
      "bounds": [1200, 900],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "LayoutNGBlockFlow DIV id='scroller'",
      "bounds": [300, 150]
    },
    {
      "name": "Scrolling Contents Layer",
      "bounds": [278, 315],
      "backgroundColor": "#80808080",
      "invalidations": [
        [0, 7, 23, 23]
      ]
    },
    {
      "name": "ContentsLayer for Vertical Scrollbar Layer",
      "position": [278, 0],
      "bounds": [22, 150]
    }
  ]
}