15291c20ae883c7e50b34875f67e18cde89448370e4600739625c037c6fd?x amz algorithm=aws4 hmac sha256&x amz credential=akiaii6jt62oqlhbx2eq%2f20170920%2fap northeast 1%2fs3%2faws4 request&x amz date=20170920t162911z&x amz expires=900&x amz signedheaders=host&x amz signature=45ad04dcfefb0b4f9c54ea25d816ce89d998549eaffc5e933bd55cecb3d50374

目標はサーフィンのワールドチャンピオン!