minecraft-bedrock-json-schemas/source/behavior/entities/format/components/variant.json

{
  "$id": "blockception.minecraft.behavior.entities.minecraft.variant",
  "additionalProperties": false,
  "type": "object",
  "title": "Variant",
  "description": "Used to differentiate the component group of a variant of an entity from others (e.g. ocelot, villager) Parameters",
  "required": [],
  "properties": {
    "value": {
      "type": "integer",
      "default": 0,
      "description": "The ID of the variant. By convention, 0 is the ID of the base entity",
      "title": "Value"
    }
  }
}