基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 b748c5b3b13d21f23a2789a9c3c0e2301a91a0f8 OP_EQUALVERIFY OP_CHECKSIG
OP_0 a8f6aa871a8611c3a0dc56457caeb064e1bf20dc