{"batchcode": "SP1971", "histograms": [{"histogram": {"Blood test": 1, "Electrocardiogram": 1, "Immunisation": 1, "Malaise": 1, "Off label use": 1, "SARS-CoV-2 test": 1, "Sinus bradycardia": 1, "Syncope": 1}, "batchcodes": ["SP1971"]}]}