基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 a8aff5604d824e861004fe473e22f1bd1abbd1fc OP_EQUALVERIFY OP_CHECKSIG
OP_0 0521a6cd1dd2b880eae48e9840f7ca8174f8a787