15291c20ae883c7e50b34875f67e18cde89448370e4600739625c037c6fd?x amz algorithm=aws4 hmac sha256&x amz credential=akiaii6jt62oqlhbx2eq%2f20170427%2fap northeast 1%2fs3%2faws4 request&x amz date=20170427t105040z&x amz expires=900&x amz signedheaders=host&x amz signature=c2892b5d39739e18561957f3bb6a44f4231e6c2140ec9c16d155a6cf4e8294bd

目標はサーフィンのワールドチャンピオン!