基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 300c21c975d69ec9be984ffe827a8f4e921e6eb0 OP_EQUALVERIFY OP_CHECKSIG
OP_0 b7b21ecb1f1dec321f22f1771b7389756ac8bccc