/summon FireworksRocketEntity ~ ~ ~ {LifeTime:20,FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:1,Flicker:0,Trail:1,Colors:[1919526,2507315],FadeColors:[15859576]},{Type:1,Flicker:0,Trail:0,Colors:[16777215],FadeColors:[16777215]},{Type:2,Flicker:0,Trail:0,Colors:[16777215],FadeColors:[16777215]}]}}}}