基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 66b1978cc1856ed54148e440cc420aead4f5c3d5 OP_EQUALVERIFY OP_CHECKSIG
OP_0 21a747f3ff75c0cf25965ef6bcfe6b540efcf7bd