{"batchcode": "012M2(OR 7)0A", "histograms": [{"histogram": {"Fatigue": 1, "Headache": 1, "Lymphadenopathy": 1, "Urinary tract infection": 1, "Vaccination site pain": 1, "Vaccination site swelling": 1}, "batchcodes": ["012M2(OR 7)0A"]}]}