{"batchcode": "1X1027A", "histograms": [{"histogram": {"Arrhythmia": 1, "Cough": 1, "Headache": 1, "Lymphadenopathy": 1, "Malaise": 1, "Pyrexia": 1, "Vaccination site swelling": 1}, "batchcodes": ["1X1027A"]}]}