{
  "columns": [
    { "label": "Text Column", "fromKey": "textData", "type": "TEXT", "insertable": true},
    { "label": "Date Column", "fromKey": "dateData", "type": "DATE", "insertable": true},
    { "label": "Icon Column", "fromKey": "iconData", "type": "ICON", "insertable": true}
  ],

  "rows": [{
    "textData": "Some Long Text Data",
    "dateData": 1557834321063,
    "iconData": { "icon": "3dots" }
  }],
  "editable": true,
  "multi": true,
  "editing": true
}