15291c20ae883c7e50b34875f67e18cde89448370e4600739625c037c6fd?x amz algorithm=aws4 hmac sha256&x amz credential=akiaii6jt62oqlhbx2eq%2f20180816%2fap northeast 1%2fs3%2faws4 request&x amz date=20180816t142045z&x amz expires=900&x amz signedheaders=host&x amz signature=dd09e45cd13a91c5972627362c74e8aa643605ba78bd0981ad082a6de62a5e82

Motor Town Classic 参戦!