基本信息
witness_v0_keyhash
OP_0 21a6678b3e6796846c697e1a69b939d08c9bfece
pubkeyhash
OP_DUP OP_HASH160 f45a7a5bff701a1f3ded3cbcbf211b07bf056231 OP_EQUALVERIFY OP_CHECKSIG