基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 1a21b68b30df7f524e04de8d068e84e892d604b8 OP_EQUALVERIFY OP_CHECKSIG
OP_0 6642ea5465380d0d923e8d11a12ab7d9a1f3ec5a