{"total":1,"results":[{"code":400,"name":"CHAT_TOO_BIG","methods":["messages.getMessageReadParticipants","messages.getMessagesReadParticipants"],"description":"This method is not available for groups with more than `chat_read_mark_size_threshold` members, [see client configuration »](https://core.telegram.org/api/config#client-configuration)."}],"layer":227}