bedrock-samples/resource_pack/render_controllers/blaze.render_controllers.json

{
  "format_version": "1.8.0",
  "render_controllers": {
    "controller.render.blaze": {
      "geometry": "Geometry.default",
      "materials": [
        { "*": "Material.body" },
        { "head": "Material.head" }
      ],
      "textures": [ "Texture.default" ]
    }
  }
}