{"batchcode": "123455", "histograms": [{"histogram": {"Arrhythmia": 1, "Breast pain": 1, "Cough": 1, "Dyspnoea": 1, "Limb discomfort": 1, "Myalgia": 1, "Nausea": 1, "Pain": 1, "Tachycardia": 1}, "batchcodes": ["123455"]}]}