msg>
matString>get
/cos/lyric/d378ee830b44880805028ecd86fc6af9/%25E5%2596%2584%25E6%2584%258F%25E6%258F%2590%25E9%2586%2592_trc.txt
host=tme-30106.sz.gfp.tencent-cloud.com
rmatString>
ingToSign>sha1
1615431362;32535187200
1bc4fa628279733ac0ef614fed0a75f016a0a10b
ringToSign>
rmsg>
