Emoji corresponding to the sticker.
Sticker format.
Sticker's full type.
Sticker height; as defined by the sender.
Unique sticker identifier within the set; 0 if none.
Identifier of the sticker set to which the sticker belongs; 0 if none.
File containing the sticker.
Sticker thumbnail in WEBP or JPEG format; may be null.
Sticker width; as defined by the sender.
Describes a sticker.