After configuring RaynJS to pass key value to Google Ad Manager you can now use that data to further improve programmatic monetization. Google Publisher Provided Signals helps publishers make the most of their first-party data for ads personalization in programmatic transactions and helps buyers understand the inventory they're bidding on. Learn more about how to configure Google Publisher Provided Signals here.
Currently Google Publisher Provided Signals only supports IAB Content Taxonomy V2.2. Ensure that this taxonomy is enabled in your Rayn JS configuration.