{"batchcode": "FE3591", "histograms": [{"histogram": {"Chest pain": 2, "Myopericarditis": 2, "Cardiac flutter": 1, "Dizziness": 1, "Dyspnoea": 1, "Myocarditis": 1, "Palpitations": 1}, "batchcodes": ["FE3591"]}]}