{
  "type": "record",
  "name": "table",
  "fields": [{
    "name": "location",
    "type": ["null", {
      "type": "map",
      "values": ["null", {
        "type": "record",
        "name": "r7",
        "fields": [{
          "name": "lat",
          "type": "float",
          "field-id": 1
        }, {
          "name": "long",
          "type": ["null", "float"],
          "default": null,
          "field-id": 2
        }]
      }],
      "key-id": 6,
      "value-id": 7
    }],
    "default": null,
    "field-id": 5
  }]
}