To change the account ID of a document signing service connected to your account:
Sign in to DigiCert ONE.
Navigate to the Manager menu icon (top-right), select Account.
In the left navigation menu, select Accounts.
Select your account name.
In the Document signing clients section, you can view a list of signing services connected to your account.
Hover over the signing service, then select the more actions (⁝) icon.
Select Update.
Change the Signing service account ID field.
Select Update signing client.