Loads more Saved Messages topics. The loaded topics will be sent through updateSavedMessagesTopic. Topics are sorted by
their topic.order in descending order. Returns a 404 error if all topics have been loaded.
Request type for Tdjson#loadSavedMessagesTopics.
The maximum number of topics to be loaded. For optimal performance, the number of loaded topics is chosen by TDLib and
can be smaller than the specified limit, even if the end of the list is not reached.
Loads more Saved Messages topics. The loaded topics will be sent through updateSavedMessagesTopic. Topics are sorted by their topic.order in descending order. Returns a 404 error if all topics have been loaded. Request type for Tdjson#loadSavedMessagesTopics.