从nosql查出来的数据为json字符串格式 要怎么在前台展示

{"22224":{"201511046623792932":"{phone_no=15928785426, event_id=151030112638529659, voice_id=2, id_no=22224}","201511046623793251":"{phone_no=15928785426, event_id=151022182726522682, voice_id=2, id_no=22224}"}} {"22224":{"201511046623792932":"{phone_no=15928