[GIB-118] - Detailed error message (#149)

* [GIB-118] - Detailed error message

* Addressing Gal's comment

---------

Co-authored-by: Alex Toker <alex_toker@mckinsey.com>

pkg/dataplane/http/context.go

@@ -1218,7 +1218,7 @@ func (c *context) encodeTypedAttributes(attributes map[string]interface{}) (map[
 		typedAttributes[attributeName] = make(map[string]interface{})
 		switch value := attributeValue.(type) {
 		default:
-			return nil, fmt.Errorf("unexpected attribute type for %s: %T", attributeName, reflect.TypeOf(attributeValue))
+			return nil, fmt.Errorf("unexpected attribute type for %s: %T", attributeName, value)
 		case int:
 			typedAttributes[attributeName]["N"] = strconv.Itoa(value)
 		case uint64: