code: def to_dict(self):
      names_list = [feat.unique_name() for feat in self.feature_list]
      es = self.feature_list[0].entityset
  
      feature_defs, primitive_defs = self._feature_definitions()
  
      return {
          "schema_version": FEATURES_SCHEMA_VERSION,
          "ft_version": ft_version,
          "entityset": es.to_dictionary(),
          "feature_list": names_list,
          "feature_definitions": feature_defs,
          "primitive_definitions": primitive_defs,
      }
  
file_path: featuretools/featuretools/feature_base/features_serializer.py
imports: import json
  from featuretools.primitives.utils import serialize_primitive
  from featuretools.utils.s3_utils import get_transport_params, use_smartopen_features
  from featuretools.utils.wrangle import _is_s3, _is_url
  from featuretools.version import FEATURES_SCHEMA_VERSION
  from featuretools.version import __version__
label_desc: Use image node_id 2 for calling the FeaturesSerializer obj's underlying member method code with example usage: obj.to_dict() and returns: dict