{"batchcode": "0461A21A", "histograms": [{"histogram": {"Dizziness": 1, "Fatigue": 1, "Headache": 1, "Myalgia": 1, "Nausea": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site pruritus": 1}, "batchcodes": ["0461A21A"]}]}