health boost isnt working

i dont know why, but im trying to summon a zombie with health boost so he wont die, but he will die anyway.
/summon Zombie 282 56 -1715 {Equipment:[{},{},{},{},{id:"slime",damage:0}],NoAI:1,Silent:1,Fire:"0",CustomName:"Test Dummy",HealF:2000,ActiveEffects:[{Id:10,Amplifier:100,Duration:655200,ShowParticles:0b},{Id:21,Amplifier:100,Duration:655200,ShowParticles:0b}]}