BloodMagic/src/main/resources/assets/bloodmagic/blockstates/item/ItemExperienceBook.json

{
  "forge_marker": 1,
  "defaults": {
    "model": "builtin/generated",
    "transform": "forge:default-item"
  },
  "variants": {
    "type": {
      "experiencetome": {
        "textures": {
          "layer0": "bloodmagic:items/ArcaneAshes"
        }
      }
    }
  }
}