Resolving Duplicate Contacts in Clay List Sync to HubSpot

Hey! 🙂 How have people gone about solving dupes found in Clay lists when syncing to hubspot. For example ive created a new campaign, 1.5k contacts are new and synced to hubspot, but i get error messages for the remaining 500 cause they already exist. The error gives the unique ID which i could use to update the contact via the hubspot integration, but i cant seem to extract the unique ID from the error message..