summon slime ~ ~3 ~ {Tags:["jjc_mob"],attributes:[{id:"minecraft:generic.jump_strength",base:2.4},{id:"minecraft:generic.gravity",base:0.2},{id:"minecraft:generic.safe_fall_distance",base:100},{id:"minecraft:generic.knockback_resistance",base:1},{id:"generic.max_health",base:30}],Health:30f,Size:4}