HashID 这是数据加密的唯一标识，将在区块链中的data里出现！

原始数据 {"user_id":485216,"account_id":230308,"balance_change":"0.000000","freeze_change":"-296.799839","reason_code":"OPTION_REFUND","reason_content":null,"related_id":1000000233,"created_at":"2022-01-18T05:27:32.000000Z"} 原始数据为以上格式的JSON字符串，是加密的元数据。

区块链存证