Directory required for the cert.pem file.
The cert.pem file should be added to the "Working" directory of the aggregator. More specifically, the cert.pem file should be added to the same directory as the aggregator install.
https://techdocs.broadcom.com/us/en/vmware-tanzu/cloudhealth/tanzu-cloudhealth/saas/tnz-cloudhealth/getting-started-with-tanzu-cloudhealth-data-center-quick-start.html