Sorry to relink, but I posted this on Reddit, initially:
Want it? If I get a few requests I'll pack it up into a GitHub repo. I'll look for answers @ Reddit:
https://www.reddit.com/r/gamedev/comments/4vwy6g/i_made_a_node_app_using_playfab_sdk_every_call_is/
EDIT: Here it is ~ https://github.com/dylanh724/tol-node-public