15291c20ae883c7e50b34875f67e18cde89448370e4600739625c037c6fd?x amz algorithm=aws4 hmac sha256&x amz credential=akiaii6jt62oqlhbx2eq%2f20180225%2fap northeast 1%2fs3%2faws4 request&x amz date=20180225t100125z&x amz expires=900&x amz signedheaders=host&x amz signature=b68f51d54501e0418a558939d7912b69c0dadd06ceb93f01670119a6129fa044

目標はサーフィンのワールドチャンピオン!