call IsWebhookTrusted

            // Check if the passed hash matches the expected one
            if ( !$this->IsWebhookTrusted( $encryption_key, $signature_header, $data['data'] ) ) {
                // Hash is not valid

                // Prepare response message
                $response_data = array(
                    'status' => 'error',
                    'response' => array(
                        'code' => 403,
                        'message' => 'Hash invalid. Bey, Bey...',
                    ),
                );
                return new WP_REST_Response( json_encode($response_data) , 403); // Return 403 Forbidden
            }