{
    "batchcode": "(77/11)20A",
    "histograms": [
        {
            "batchcodes": [
                "(77/11)20A"
            ],
            "histogram": {
                "Headache": 1,
                "Vaccination site erythema": 1,
                "Vaccination site induration": 1,
                "Vaccination site rash": 1
            }
        }
    ]
}