{
  "entity": "Skeleton",
  "modifiers": [
    {
      "type": "equipment",
      "hand": "BOW",
      "helmet": "SKELETON_GRUNT_HELMET",
      "chestplate": "SKELETON_GRUNT_CHESTPLATE",
      "leggings": "SKELETON_GRUNT_LEGGINGS",
      "feet": "SKELETON_GRUNT_BOOTS"
    }
  ] 
}