Step-4 : Grant permissions at Organization scope
Prior to proceeding with the following steps, make sure to choose the organization from top drown down.
Go to IAM & Click Grant Access
Under Add Principals. Enter service account id of DigitalEx
To Fetch your service account id follow steps outlined on this page Retrieve the Service Account Id
Assign the Roles (Viewer, Organization Viewer, Browser, Billing Account Viewer)
Click Save