基本信息
witness_v0_keyhash
OP_0 a21e902b94bff5c6d334b822b962748b8f9e755a
pubkeyhash
OP_DUP OP_HASH160 1e99f2f2f735827f4187af18ea1be2a7aaf328e0 OP_EQUALVERIFY OP_CHECKSIG