message: ad default values
diff: @@ -429,6 +429,7 @@ pub enum KeyValuesInSP {
  #[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
  pub struct KeyValueSimpleData {
  pub kvs: Vec<(String /* b64-encoded key */, Option<String /* val */>)>,
  + #[serde(default="KeyValueSimpleDataVerificationType::Simple")]
  pub verification_type: KeyValueSimpleDataVerificationType
  }
  