A header if you will, because like i mentioned before, blocks like these usually come before the payload data.
You can examine a standard header, all attributes and attribute data of the record.
파일 시그니처 확인, Hex값 변경 및 확인 등 많은 기능을 활용해서 분석을 할 수 있습니다.
Something like that.
1D 00 9E 00 1D 00 01 is the IDs of his nationality, second nationality, and declared national team respectively, and the 01 behind it signified that his role there is a player 10 if he was a manager.