基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 2a4caf5a836bcca46666813189294f8426249a0f OP_EQUALVERIFY OP_CHECKSIG
OP_0 a1ca9c9c2bfed1b865b8dfa8a56bd33705a09e5b