converted_model2.signatures._signatures.keys(), {'serving_default'}
      )

      # Expect two models to produce the same results.
      test_data = ops.convert_to_tensor(
          np.random.uniform(low=0, high=64, size=(32)).astype(
              dtypes.int32.as_numpy_dtype
          )
      )
      new_outputs_1 = converted_model1.signatures['serving_default'](
          input_tensor=test_data