Trouble Updating User Profiles with Mixpanel Engage API: Need Help

Hi everyone, I'm facing an issue while updating user profile properties (iOS and Android app versions) using the Mixpanel Engage API. The request completes successfully with status: 1 and num_good_events: 2, but the changes are not reflecting in the user profiles. I’ve verified that the distinct IDs exist, the project token is correct, and there are no errors in the Debugging Console. I also tried sending updates individually instead of in bulk, but the issue persists. Has anyone else encountered this issue? Any ideas on what might be going wrong? I can share the API request and response details if needed.