{"batchcode": "3001531, 300194", "histograms": [{"batchcodes": ["3001531, 300194"], "histogram": {"Cardiac arrest": 1, "Chest discomfort": 1, "Coronary artery embolism": 1, "Protein urine": 1, "Pyrexia": 1, "Urine abnormality": 1, "Vaccination site pain": 1}}]}