Manage top-level json_object in get_subscribed_urls with unique_ptr
Manage top-level json_object in get_subscribed_urls with unique_ptr

der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,x4121/newsbeuter,newsboat/newsboat,der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,newsboat/newsboat,newsboat/newsboat,newsboat/newsboat,x4121/newsbeuter,der-lyse/newsboat,der-lyse/newsboat,der-lyse/newsboat,x4121/newsbeuter,x4121/newsbeuter,newsboat/newsboat