{"batchcode": "057A22B", "histograms": [{"histogram": {"Arthralgia": 1, "Feeling hot": 1, "Lymphadenopathy": 1, "Neck pain": 1, "Swelling": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site warmth": 1}, "batchcodes": ["057A22B"]}]}