import requests, bs4, json

cookies = {'mscom_new': 'YOUR_SESSSION_VALUE_HERE'}

q = requests.get('https://musescore.com/user/5174461/scores/3659386', cookies=cookies)

soup = bs4.BeautifulSoup(q.text)

jsondata_raw = soup.findAll('div', {'class': 'js-store'})[0]['data-content']

jsondata = json.loads(jsondata_raw)

print(jsondata['store']['page']['data']['type_download_list'])