folder/get - Returns a single existing folder.id - The ID of the folder to get.{id: <number> - The ID of the folder.name: <string> - The name of the folder.insert_time: <number> - The Unix timestamp of when the folder was created.rename_time: <number> - The Unix timestamp of when the folder was last renamed.}FOLDER_NOT_FOUND - A folder with the ID doesn't exist.