{"batchcode": "55", "histograms": [{"histogram": {"Back pain": 1, "Blood pressure measurement": 1, "Body temperature": 1, "Diarrhoea": 1, "Dyspnoea": 1, "Fatigue": 1, "Headache": 1, "Hypertension": 1, "Injection site pain": 1, "Insomnia": 1}, "batchcodes": ["55"]}]}