It's the German green party. Part of the opposition at this point. So it's not an official request by the German authorities. That means it's probably not a ruse, despite Germany and Merkel's track record on privacy. It would seem to be quite save, as Merkel is, as far as I know, still trying to assemble a working coalition government, so she wouldn't want to blow her chances with the liberal/left leaning parties.
The Dutch Socialist Party, currently the biggest opposition party, requested the same thing last week by the way.