{"batchcode": "040321A", "histograms": [{"histogram": {"Muscle spasms": 1, "Pain in extremity": 1, "Skin discolouration": 1, "Vaccination site induration": 1, "Vaccination site mass": 1, "Vaccination site pain": 1, "Vaccination site swelling": 1, "Vaccination site warmth": 1}, "batchcodes": ["040321A"]}]}