/**
  * @param NetworkMessage $object
  * @return Buffer
  */
 public function serialize(NetworkMessage $object)
 {
     $payload = $object->getPayload()->getBuffer();
     $command = str_pad(unpack("H*", $object->getCommand())[1], 24, '0', STR_PAD_RIGHT);
     $header = $this->getHeaderTemplate()->write([Buffer::hex($this->network->getNetMagicBytes()), Buffer::hex($command), $payload->getSize(), $object->getChecksum()]);
     return Buffertools::concat($header, $payload);
 }