Revert back to rmp_serde::to_vec

src/main.rs

@@ -336,7 +336,7 @@ struct Message(Vec<u8>);
 
 impl Message {
     pub fn from_value<T: serde::Serialize>(value: &T) -> Result<Self> {
-        Ok(Self(rmp_serde::to_vec_named(value)?))
+        Ok(Self(rmp_serde::to_vec(value)?))
     }
 
     pub fn from_raw(data: Vec<u8>) -> Self {