基本信息
witness_v0_keyhash
OP_0 21e294c78f82149e83621b24fbd8d6d6b57132cc
pubkeyhash
OP_DUP OP_HASH160 bb2a4c9c313c492967ffbea43c8af515e35a22ba OP_EQUALVERIFY OP_CHECKSIG