Initial

{
  "bounds": [785, 623],
  "children": [
    {
      "bounds": [785, 623],
      "contentsOpaque": true,
      "drawsContent": true,
      "children": [
        {
          "position": [18, 10],
          "bounds": [749, 144]
        },
        {
          "position": [14, 314],
          "bounds": [757, 152],
          "contentsVisible": false,
          "children": [
            {
              "position": [24, 24],
              "bounds": [100, 100]
            }
          ]
        }
      ]
    }
  ]
}
After step 1

{
  "bounds": [785, 1048],
  "children": [
    {
      "bounds": [785, 1048],
      "contentsOpaque": true,
      "drawsContent": true,
      "children": [
        {
          "position": [18, 10],
          "bounds": [749, 144],
          "children": [
            {
              "position": [20, 20],
              "bounds": [100, 100]
            }
          ]
        },
        {
          "position": [14, 314],
          "bounds": [757, 152],
          "contentsVisible": false,
          "children": [
            {
              "position": [24, 24],
              "bounds": [100, 100]
            }
          ]
        }
      ]
    }
  ]
}
After step 2

{
  "bounds": [785, 1562],
  "children": [
    {
      "bounds": [785, 1562],
      "contentsOpaque": true,
      "drawsContent": true,
      "children": [
        {
          "position": [18, 10],
          "bounds": [749, 144],
          "children": [
            {
              "position": [20, 20],
              "bounds": [100, 100]
            }
          ]
        },
        {
          "position": [14, 160],
          "bounds": [757, 152],
          "drawsContent": true,
          "children": [
            {
              "position": [24, 24],
              "bounds": [100, 100]
            }
          ]
        },
        {
          "position": [14, 314],
          "bounds": [757, 152],
          "contentsVisible": false,
          "children": [
            {
              "position": [24, 24],
              "bounds": [100, 100]
            }
          ]
        }
      ]
    }
  ]
}