{ "billId": 0, "billNum": "string", "createTime": "2019-08-24T14:15:22Z", "description": "string", "id": 0, "modifyTime": "2019-08-24T14:15:22Z", "operationType": 0, "operationTypeName": "string", "operatorId": 0, "operatorName": "string" }