Python напишите json для подачи UTF8
open(jsonfile , "w", encoding="utf8").write(json.dumps(file,indent=4, ensure_ascii=False))
Fair Fly
open(jsonfile , "w", encoding="utf8").write(json.dumps(file,indent=4, ensure_ascii=False))
with open('speechbase.json', 'w') as jsonfile:
json.dump(DATA, jsonfile, indent = 4)