{"batchcode": "04AF21A", "histograms": [{"histogram": {"Breast pain": 1, "Chills": 1, "Feeling abnormal": 1, "Illness": 1, "Lymphadenopathy": 1, "Migraine": 1, "Neck pain": 1, "Pain": 1, "Pain in extremity": 1, "Vaccination site rash": 1}, "batchcodes": ["04AF21A"]}]}