docs: public GVRSceneObject loadModel(final String filePath, final GVRScene scene) throws IOException
      {
          GVRSceneObject model = new GVRSceneObject(mContext);
          AssetRequest assetRequest = new AssetRequest(model, new GVRResourceVolume(mContext, filePath), scene, null, false);
          String ext = filePath.substring(filePath.length() - 3).toLowerCase();
  
          assetRequest.setImportSettings(GVRImportSettings.getRecommendedSettings());
          model.setName(assetRequest.getBaseName());
          if (ext.equals("x3d"))
          {
              loadX3DModel(assetRequest, model);
          }
          else
          {
              loadJassimpModel(assetRequest, model);
          }
          return model;
      }