OAuthToken

Contains information needed for generating an OAuth token. This type of authorization should generally only be used when calling Google APIs hosted on *.googleapis.com.

JSON representation 
{
  "serviceAccountEmail": string,
  "scope": string
}
Fields
serviceAccountEmail

string

Service account email to be used for generating OAuth token. The service account must be within the same project as the queue. The caller must have iam.serviceAccounts.actAs permission for the service account.
scope

string

OAuth scope to be used for generating OAuth access token. If not specified, "https://www.googleapis.com/auth/cloud-platform" will be used.