15291c20ae883c7e50b34875f67e18cde89448370e4600739625c037c6fd?x amz algorithm=aws4 hmac sha256&x amz credential=akiaii6jt62oqlhbx2eq%2f20190825%2fap northeast 1%2fs3%2faws4 request&x amz date=20190825t095145z&x amz expires=900&x amz signedheaders=host&x amz signature=8d88dbdb7fe536452e1ef78acc345c64bf76c4053a94c0322e30e33c13c4f5b5

目標はサーフィンのワールドチャンピオン!