{
  "layers": [
    {
      "name": "Scrolling background of LayoutView #document",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF",
      "invalidations": [
        [0, 0, 300, 200],
        [0, 0, 200, 300],
        [0, 300, 180, 20]
      ]
    }
  ]
}