{"batchcode": "012M18", "histograms": [{"histogram": {"Abdominal pain upper": 1, "Arthralgia": 1, "Asthenia": 1, "Blood pressure fluctuation": 1, "Blood pressure measurement": 1, "COVID-19": 1, "Contusion": 1, "Erythema": 1, "Fall": 1, "Hypertension": 1, "Joint swelling": 1, "Musculoskeletal disorder": 1, "Neck mass": 1, "Nervousness": 1, "Peripheral swelling": 1, "Pruritus": 1, "Vaccination failure": 1}, "batchcodes": ["012M18"]}]}