{"batchcode": "044R21A", "histograms": [{"histogram": {"Asthenia": 1, "Fatigue": 1, "Feeling cold": 1, "Headache": 1, "Limb discomfort": 1, "Nightmare": 1, "Palpitations": 1, "Poor quality sleep": 1, "Vaccination site erythema": 1, "Vaccination site warmth": 1}, "batchcodes": ["044R21A"]}]}