{
  "layers": [
    {
      "name": "Scrolling background of LayoutView #document",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF",
      "invalidations": [
        [100, 100, 190, 120],
        [100, 300, 140, 170],
        [300, 300, 140, 120],
        [300, 100, 140, 120]
      ]
    }
  ]
}