decode = async rawData => {
  const decoder = new Decoder(rawData)
  return {
    throttleTime: decoder.readInt32(),
    topicErrors: decoder.readArray(topicErrors).sort(topicNameComparator),
  }
}
CreateTopics Response (Version: 2) => throttle_time_ms [topic_errors]
  throttle_time_ms => INT32
  topic_errors => topic error_code error_message
    topic => STRING
    error_code => INT16
    error_message => NULLABLE_STRING