基本信息
witness_v0_keyhash
OP_0 21f6648b77f7bcf5ef17b5c4e48ba9c3da5ef499
pubkeyhash
OP_DUP OP_HASH160 c8e894ef49d24939cf46e525b9ff263b5ca1ffca OP_EQUALVERIFY OP_CHECKSIG