import re
from bs4 import BeautifulSoup
MyStr =""" HTML data """
soup = BeautifulSoup(MyStr, "html.parser")
result = re.sub(r'\s+(?:=\s*;\s*)?', ' ', re.search(r'{\s*"\w+".*}', soup.text.decode("utf8"), re.S).group().strip()).replace('&q;= uot;','"')
print(result)
aW1wb3J0IHJlCmZyb20gYnM0IGltcG9ydCBCZWF1dGlmdWxTb3VwCk15U3RyID0iIiIgSFRNTCBkYXRhICIiIgpzb3VwID0gQmVhdXRpZnVsU291cChNeVN0ciwgImh0bWwucGFyc2VyIikKcmVzdWx0ID0gcmUuc3ViKHInXHMrKD86PVxzKjtccyopPycsICcgJywgcmUuc2VhcmNoKHIne1xzKiJcdysiLip9Jywgc291cC50ZXh0LmRlY29kZSgidXRmOCIpLCByZS5TKS5ncm91cCgpLnN0cmlwKCkpLnJlcGxhY2UoJyZxOz0gdW90OycsJyInKQpwcmludChyZXN1bHQp