Passthrough adTag in the VAST plugin

How can I passthrough the adTag in the Vast player plugin? I have to use an adTag but I can’t modified the parameters, I have to avoid the string substitution of the adTag. The player has to call the VAST URL as:${random}&gdpr=${gdpr}&gdpr_consent=${gdpr_consent}&referrerurl=${request.referrerurl}&rw=${request.width}&rh=${request.height}

thank you