{"batchcode": "123001", "histograms": [{"histogram": {"Syncope": 3, "Dizziness": 2, "COVID-19": 1, "Cough": 1, "Drug ineffective": 1, "Immunisation": 1, "Nasopharyngitis": 1, "Product use issue": 1, "Throat irritation": 1}, "batchcodes": ["123001"]}]}