基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 b20a40f4dfa9218042499dbce7cf6ea5d1ac5f8e OP_EQUALVERIFY OP_CHECKSIG
OP_0 74bcf31f7b9692391bfcf28124ee2973335c2962