基本信息
witness_v0_keyhash
OP_0 21a6678b3e6796846c697e1a69b939d08c9bfece
pubkeyhash
OP_DUP OP_HASH160 72f19bb31b7a789a6731308a7c7da6c185993427 OP_EQUALVERIFY OP_CHECKSIG