The entity ID
Sprite width in pixels
Sprite height in pixels
Optionalr: numberRed color component (0-1, default 1)
Optionalg: numberGreen color component (0-1, default 1)
Optionalb: numberBlue color component (0-1, default 1)
Optionala: numberAlpha/opacity (0-1, default 1)
Set or update an entity's sprite (colored rectangle).