基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 421121912cf44037ea492d7b2f6dd3e2d70f5a07 OP_EQUALVERIFY OP_CHECKSIG
OP_0 68ffea02cdadb20d08d152f388f4e3aed6b7c4bd