ser.rs

#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone)]
#[serde(untagged)]
pub enum PlatformNotification {
    Apn(
        ApnNotification, 
        #[serde(skip)]
        Url),
    Gcm(
        GcmNotification,
        #[serde(skip)]
        Url)
}

produces :

[ { "aps" : { "blah" : "blah" ... }, "http://blah.com" ]

So it is untagged, but it includes the Url in the tuple.. what I want to do is just have

{ "aps" : { "oaeuoaeu" ... } }

without the 'enum' array wrapper or url.