基本信息
witness_v0_keyhash
OP_0 b7a7c1408527d8e9053bae37db188b3c9f9ed008
pubkeyhash
OP_DUP OP_HASH160 21f797a38fe7babefa43f4d84ab3ca4a974af5e3 OP_EQUALVERIFY OP_CHECKSIG