{
  "schema": {
    "fields": [
      {
        "name": "struct_nullable",
        "type": {
          "name": "struct"
        },
        "nullable": true,
        "children": [
          {
            "name": "f1",
            "type": {
              "name": "int",
              "isSigned": true,
              "bitWidth": 32
            },
            "nullable": true,
            "children": []
          },
          {
            "name": "f2",
            "type": {
              "name": "utf8"
            },
            "nullable": true,
            "children": []
          }
        ]
      }
    ]
  },
  "batches": [
    {
      "count": 7,
      "columns": [
        {
          "name": "struct_nullable",
          "count": 7,
          "VALIDITY": [
            0,
            1,
            1,
            1,
            0,
            1,
            0
          ],
          "children": [
            {
              "name": "f1",
              "count": 7,
              "VALIDITY": [
                1,
                0,
                1,
                1,
                1,
                0,
                0
              ],
              "DATA": [
                1402032511,
                290876774,
                137773603,
                410361374,
                1959836418,
                1995074679,
                -163525262
              ]
            },
            {
              "name": "f2",
              "count": 7,
              "VALIDITY": [
                0,
                1,
                1,
                1,
                0,
                1,
                0
              ],
              "OFFSET": [
                0,
                0,
                7,
                14,
                21,
                21,
                28,
                28
              ],
              "DATA": [
                "",
                "MhRNxD4",
                "3F9HBxK",
                "aVd88fp",
                "",
                "3loZrRf",
                ""
              ]
            }
          ]
        }
      ]
    },
    {
      "count": 10,
      "columns": [
        {
          "name": "struct_nullable",
          "count": 10,
          "VALIDITY": [
            0,
            1,
            1,
            0,
            1,
            0,
            0,
            1,
            1,
            1
          ],
          "children": [
            {
              "name": "f1",
              "count": 10,
              "VALIDITY": [
                0,
                0,
                0,
                0,
                0,
                0,
                1,
                0,
                0,
                0
              ],
              "DATA": [
                -2041500147,
                1715692943,
                -35444996,
                1425496657,
                112765084,
                1760754983,
                413888857,
                2039738337,
                -1924327700,
                670528518
              ]
            },
            {
              "name": "f2",
              "count": 10,
              "VALIDITY": [
                1,
                0,
                0,
                1,
                1,
                1,
                1,
                1,
                1,
                0
              ],
              "OFFSET": [
                0,
                7,
                7,
                7,
                14,
                21,
                28,
                35,
                42,
                49,
                49
              ],
              "DATA": [
                "AS5oARE",
                "",
                "",
                "JGdagcX",
                "78SLiRw",
                "vbGf7OY",
                "5uh5fTs",
                "0ilsf82",
                "LjS9MbU",
                ""
              ]
            }
          ]
        }
      ]
    }
  ]
}