{
    "columns": [
      {
        "label": "Test Column 1",
        "fromKey": "data",
        "sortable": true,
        "type": "TEXT"
      },
      {
        "label": "Two",
        "fromKey": "data",
        "sortable": true,
        "type": "TEXT"
      },
      {
        "label": "Test Column 3 Which Has a Much Longer Title",
        "fromKey": "data",
        "sortable": true,
        "type": "TEXT"
      }
    ],

    "rows": [
      { "data": "Test Data Row 1" },
      { "data": "Test Data Row 2" },
      { "data": "Test Data Row 3" }
    ]
}