{"batchcode": "001R21A", "histograms": [{"histogram": {"Arthralgia": 1, "Back pain": 1, "Fatigue": 1, "Headache": 1, "Musculoskeletal chest pain": 1, "Nightmare": 1, "Pain in extremity": 1, "Pyrexia": 1}, "batchcodes": ["001R21A"]}]}