{"batchcode": "1F021A", "histograms": [{"batchcodes": ["1F021A"], "histogram": {"Dizziness": 2, "Nausea": 2, "Syncope": 2, "Abdominal pain": 1, "Apathy": 1, "Arrhythmia": 1, "Chills": 1, "Diarrhoea": 1, "Hypertension": 1, "Neurodermatitis": 1, "Tremor": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site swelling": 1, "Vital signs measurement": 1}}]}