基本信息
witness_v0_keyhash
OP_0 21494961f4f98af5521d3ed914efbe8c63f441c5
pubkeyhash
OP_DUP OP_HASH160 7cbd8af35e65e370d8c72e7ff0e8935abd91ff0e OP_EQUALVERIFY OP_CHECKSIG