基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 a621db8ff8b43c3378857f604766d228958c0836 OP_EQUALVERIFY OP_CHECKSIG
OP_0 1f7f7e4e6eaefe936330ff883c1e2997d6803d45