Get all items in a board

[
  {
    "id": "string",
    "itemType": "Shape",
    "transformation": {
      "rotate": 0,
      "scaleX": 1,
      "scaleY": 1,
      "translateX": 0,
      "translateY": 0
    },
    "text": {
      "children": [
        {
          "type": "paragraph",
          "children": [
            {
              "text": "string",
              "type": "text",
              "fontSize": 14,
              "fontColor": "black",
              "fontFamily": "Arial",
              "lineHeight": 1.4,
              "bold": false,
              "italic": false,
              "underline": false,
              "lineThrough": false,
              "fontHighlight": ""
            }
          ],
          "horisontalAlignment": "left"
        }
      ],
      "insideOf": "Frame",
      "itemType": "RichText",
      "realSize": 0,
      "placeholderText": "string",
      "containerMaxWidth": 0,
      "verticalAlignment": "center"
    }
  }
]