Can’t quite understand why the chain of custody metadata is missing from the exported JSON files when using the bulk export API for WhatsApp transcripts. The job completes successfully with a 202 Accepted status, and the files land in the S3 bucket as expected. However, the external_contact_id and channel_type fields are null in the resulting records, which breaks our legal discovery compliance checks. This happens consistently with the latest SDK version. Are there specific permissions required on the Genesys side to expose these digital channel attributes in the export payload?