基本信息
witness_v0_keyhash
OP_0 21aa45943d7cd0e928d9f6c2ff2897c218fa62fc
pubkeyhash
OP_DUP OP_HASH160 a7f6bb6dc4cf55ccd0e9d02ac51678180183eee3 OP_EQUALVERIFY OP_CHECKSIG