Can you spawn a item display thta is alredy rotated/scaled?

Can you spawn a item display thta is alredy rotated/scaled? I tried, but it didn't work for me ;-;
Command i used: summon item_display ~ ~ ~ {billboard:"fixed",transformation:{right_rotation:[100f,100f,100f,100f]},item:{id:"minecraft:flint",Count:1b}}