Initial

{
  "bounds": [785, 626],
  "children": [
    {
      "bounds": [785, 626],
      "contentsOpaque": true,
      "drawsContent": true,
      "children": [
        {
          "position": [18, 10],
          "bounds": [749, 145]
        },
        {
          "position": [14, 316],
          "bounds": [757, 153],
          "contentsVisible": false,
          "children": [
            {
              "position": [24, 24],
              "bounds": [100, 100]
            }
          ]
        }
      ]
    }
  ]
}
After step 1

{
  "bounds": [785, 1078],
  "children": [
    {
      "bounds": [785, 1078],
      "contentsOpaque": true,
      "drawsContent": true,
      "children": [
        {
          "position": [18, 10],
          "bounds": [749, 145],
          "children": [
            {
              "position": [20, 20],
              "bounds": [100, 100]
            }
          ]
        },
        {
          "position": [14, 316],
          "bounds": [757, 153],
          "contentsVisible": false,
          "children": [
            {
              "position": [24, 24],
              "bounds": [100, 100]
            }
          ]
        }
      ]
    }
  ]
}
After step 2

{
  "bounds": [785, 1625],
  "children": [
    {
      "bounds": [785, 1625],
      "contentsOpaque": true,
      "drawsContent": true,
      "children": [
        {
          "position": [18, 10],
          "bounds": [749, 145],
          "children": [
            {
              "position": [20, 20],
              "bounds": [100, 100]
            }
          ]
        },
        {
          "position": [14, 161],
          "bounds": [757, 153],
          "drawsContent": true,
          "children": [
            {
              "position": [24, 24],
              "bounds": [100, 100]
            }
          ]
        },
        {
          "position": [14, 316],
          "bounds": [757, 153],
          "contentsVisible": false,
          "children": [
            {
              "position": [24, 24],
              "bounds": [100, 100]
            }
          ]
        }
      ]
    }
  ]
}