基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 31ac18404b4309f0b42767f00d43403752b6f6d8 OP_EQUALVERIFY OP_CHECKSIG
OP_0 918ffb5acb64e3ce6556e97c9958cc16e49447d6