{
  "type" : "record",
  "name" : "time_micros",
  "namespace" : "test.time_micros",
  "doc" : "doc",
  "fields" : [ {
    "name" : "a",
    "type" : [ {
      "type": "long",
      "logicalType": "time-micros"
    }, "null" ],
    "doc" : "doc"
  } ]
}
