基本信息
witness_v0_keyhash
OP_0 3a3eb21b2b9d489e5890cbf8ea88b4754ddb8bc2
pubkeyhash
OP_DUP OP_HASH160 2157c768d48cb21ae7cf507f74fe3ae5e9899712 OP_EQUALVERIFY OP_CHECKSIG