PageRangeField

"page_range_fields": [
        {
          "type": "select",
          "options": [
            {
              "title": "section A",
              "value": "section_a"
            },
            {
              "title": "Section B",
              "value": "section_b"
            }
          ]
        }
      ]

{
    "page_range_fields": [
    {
      "uuid": "123",
      "page_start": 0,
      "page_end": 4,
      "selected": [
        "section_a"
      ]
    },
    {
      "uuid": "456",
      "page_start": 5,
      "page_end": 7,
      "selected": [
        "section_b"
      ]
    }
  ]
}