{"batchcode": "JOHNSON", "histograms": [{"batchcodes": ["JOHNSON"], "histogram": {"Arthralgia": 1, "Deep vein thrombosis": 1, "Hypoaesthesia": 1, "Injection site pain": 1, "Muscle spasms": 1, "Muscle twitching": 1, "Paraesthesia": 1, "Ultrasound Doppler abnormal": 1, "Wrong technique in product usage process": 1}}]}