This task represents the work with implementing the instrumentation required to evaluate the impact of topic subscriptions (T280895) as well as peoples' adoption of (T280896), and engagement with (T280898), the feature.
 @DLynch review the [instrumentation spec](https://docs.google.com/spreadsheets/d/1wlGzy6oZ8jbY5-EpydN7SqZnG1ikHTk05ZsZx1euWME/edit#gid=0) and for each **Event to be tracked** comment whether we are tracking said event in the **Currently being tracked (Yes/No)** column: T277349
 @MNeisler to propose naming conventions for events that require new instrumentation: T277349
 @Dlynch to review proposed naming conventions: T277349
 @ppelberg to create ticket(s) for new instrumentation that needs to be implemented
 @matmarex @DLynch Editing Engineers to implement new instrumentation
 @ryasmeen to verify new events are being emitted as expected
 @MNeisler to verify new events are arriving in DB as expected