diff --git a/signature/sign.go b/signature/sign.go
index f50d83f..67f6851 100644
--- a/signature/sign.go
+++ b/signature/sign.go
@@ -50,6 +50,10 @@ func signServiceRequest(key *ecdsa.PrivateKey, v serviceRequest) error {
 	if err := signMessageParts(key, body, meta, header, header != nil, result); err != nil {
 		return err
 	}
+
+	if err := verifyServiceMessagePart(body, result.GetBodySignature); err != nil {
+		return fmt.Errorf("DEBUG POINT: could not verify body: %w", err)
+	}
 	result.SetOrigin(header)
 	v.SetVerificationHeader(result)
 	return nil