decode = async rawData => {
  const decoder = new Decoder(rawData)

  return {
    responses: decoder.readArray(decodeResponses),
  }
}
ListOffsets Response (Version: 1) => [responses]
  responses => topic [partition_responses]
    topic => STRING
    partition_responses => partition error_code timestamp offset
      partition => INT32
      error_code => INT16
      timestamp => INT64
      offset => INT64