基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 a2191291abc78b4f9beea77b1a1f737830f97ba9 OP_EQUALVERIFY OP_CHECKSIG
OP_0 421ee8a1dcbb01a8dbd09ad8ed1038e54a109bf0