{
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    {
      "name": "Scrolling Contents Layer",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "LayoutBlockFlow (positioned) DIV id='caption'",
      "bounds": [200, 100],
      "backgroundColor": "#0000FF",
      "transform": 1
    }
  ],
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      "transform": [
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}