{"type":"record", "name":"Player", "namespace": "avro.examples.baseball",
  "fields": [
   {"name": "number", "type": "int"},
   {"name": "first_name", "type": "string"},
   {"name": "last_name", "type": "string"},
   {"name": "position", "type": {"type": "array", "items": "Position"} }
  ]
}
