{"batchcode": "0020B20A", "histograms": [{"histogram": {"Fatigue": 1, "Feeling of relaxation": 1, "Headache": 1, "Pain in extremity": 1, "Pyrexia": 1, "Vaccination site erythema": 1, "Vaccination site swelling": 1}, "batchcodes": ["0020B20A"]}]}