Feature request or enhancement

For feature requests or enhancements, provide this information, please:

Which use case/requirement will be addressed by the proposed feature?

I have a need to merge data from a JSON column into Kafka headers at the root level. The provided ways right now would require each of those data attributes to be in their own column and explicitly mapped.

You can see the discussion for this here https://debezium.zulipchat.com/#narrow/stream/302529-users/topic/Header.20Payload.20Column