15291c20ae883c7e50b34875f67e18cde89448370e4600739625c037c6fd?x amz algorithm=aws4 hmac sha256&x amz credential=akiaii6jt62oqlhbx2eq%2f20170427%2fap northeast 1%2fs3%2faws4 request&x amz date=20170427t105442z&x amz expires=900&x amz signedheaders=host&x amz signature=b1a4ec7da0531b0314f146d6cf446286a19b1a3eb283fa146e37fcd7e588bdd6

オーストラリア選手権参戦!