Fix a couple of minor Nuance / transaction publisher issues

Summary: I got a couple of tasks stuck in my local queue a while ago when touching Nuance, fix a couple minor issues to clean them up.

Test Plan: Ran tasks in queue, got clean results.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D13532