how to get custom mobs spawn eggs in Minecraft 1.13.1

the commands give p command_block give p skeleton_spawn_eggEntityTag:id:minecraft:skeletonArmorItems:id:minecraft:chainmail_leggingsCount:1Count:1id:minecraft:elytraid:minecraft:iron_helmetCount:1ArmorDropChances:0F0F2F0F

Источник: rutube.ru