通过API获取的审批数据json格式不正确

{
    "dingtalk_smartwork_bpms_processinstance_list_response": {
        "result": {
            "ding_open_errcode": 0,
            "result": {
                "list": {
                    "process_instance_top_vo": [{
                        "approver_userid_list": {
                            "string": ["manager9328"]
                        },
                        "business_id": "201801111101000275829",
                        "create_time": "2018-01-11 11:01:28",
                        "finish_time": "2018-01-11 11:01:40",
                        "form_component_values": {
                            "form_component_value_vo": [{
                                "name": "[\"开始时间\",\"结束时间\"]",
                                "value": "[\"2018-01-11 上午\",\"2018-01-12 上午\",1.5,\"halfDay\",\"年假\",\"请假类型\"]"
                            }, {
                                "name": "请假事由",
                                "value": "41516"
                            }, {
                                "name": "图片"
                            }]
                        },
                        "originator_dept_id": "-1",
                        "originator_userid": "manager9328",
                        "process_instance_id": "610fda02-1e74-4e4f-aeba-949ee15d456b",
                        "process_instance_result": "agree",
                        "status": "COMPLETED",
                        "title": "吕卫东的请假"
                    }]
                }
            },
            "success": true
        },
        "request_id": "nvbct96ldl22"
    }
}