Description of the sticker (empty or 2-100 characters)
The sticker file to upload, must be a PNG, APNG, GIF, or Lottie JSON file, max 512 KB
Uploaded stickers are constrained to 5 seconds in length for animated stickers, and 320 x 320 pixels.
Name of the sticker (2-30 characters)
The Discord name of a unicode emoji representing the sticker’s expression (2-200 characters)