基本信息
witness_v0_keyhash
pubkeyhash
OP_DUP OP_HASH160 21a5709b69320447fa6f1bfa27c6a10956a8a734 OP_EQUALVERIFY OP_CHECKSIG
OP_0 8dd49807447fc1a2eaf8581adbecaa1e16e4c92d