{"batchcode": "031B2 1A", "histograms": [{"histogram": {"Anxiety": 1, "Hot flush": 1, "Nausea": 1, "Pain in extremity": 1, "Rash": 1, "Vaccination site discolouration": 1, "Vaccination site warmth": 1}, "batchcodes": ["031B2 1A"]}]}