基本信息
witness_v0_keyhash
OP_0 b7f21e548baf757bb5a58ffc269568dcf602c8a5
pubkeyhash
OP_DUP OP_HASH160 6f3f9bd4e6445aae60ead05b00c0a4b81e8c2e4d OP_EQUALVERIFY OP_CHECKSIG