{"batchcode": "30001650", "histograms": [{"batchcodes": ["30001650"], "histogram": {"Arrhythmia": 1, "Dizziness": 1, "Fatigue": 1, "Hypertension": 1, "Malaise": 1, "Myalgia": 1, "Pericarditis": 1, "Tachycardia": 1, "Vaccination site erythema": 1}}]}