The meta sql file is stored in the following path -> your cloud repository -> wp time capsule -> site name -> wp-content -> uploads -> tCapsule -> backups -> *meta.sql.gz
To get the Meta SQL file of the old backups you need to check the revisions or the version history.
For Dropbox revisions:
For Google Drive revisions:
For Amazon S3 revisions:
For Wasabi revisions: