diff --git a/xmtp_mls/src/groups/message_history.rs b/xmtp_mls/src/groups/message_history.rs
index 2467b980d..bc1fc3a7e 100644
--- a/xmtp_mls/src/groups/message_history.rs
+++ b/xmtp_mls/src/groups/message_history.rs
@@ -140,16 +140,26 @@ where
             None,
             None,
         )?;
+
+        log::info!("messages: {:?}", messages);
+        log::info!("installation_id: {:?}", installation_id);
+
         // find the most recent history request that has not been replied to
         let last_history_request: (Option<String>, Option<String>, Option<StoredGroupMessage>) =
             messages
                 .into_iter()
                 .fold((None, None, None), |mut acc, msg| {
-                    match bincode::deserialize(&msg.decrypted_message_bytes) {
+                    let result =
+                        bincode::deserialize::<MessageHistoryContent>(&msg.decrypted_message_bytes);
+
+                    log::info!("result: {:?}", result);
+
+                    match result {
                         Ok(MessageHistoryContent::Request(request))
                         // only include requests from the current installation
                             if msg.sender_installation_id.eq(&installation_id) =>
                         {
+                            log::info!("request: {:?}", request);
                             if let Some(ref existing_msg) = acc.2 {
                                 // use the most recent request
                                 if msg.sent_at_ns > existing_msg.sent_at_ns {
@@ -167,6 +177,7 @@ where
                         // only include replies to the current installation
                             if !msg.sender_installation_id.eq(&installation_id) =>
                         {
+                            log::info!("reply: {:?}", reply);
                             if let Some(ref existing_request_id) = acc.0 {
                                 // reset the request if it's been replied to
                                 if existing_request_id.eq(&reply.request_id) {
@@ -176,7 +187,13 @@ where
                                 }
                             }
                         }
-                        _ => {}
+                        Ok(result) => {
+                            log::info!("other message content: {:?}", result);
+                            log::info!("sender_installation_id: {:?}", msg.sender_installation_id);
+                        }
+                        Err(err) => {
+                            log::info!("error: {:?}", err);
+                        }
                     }
                     acc
                 });
@@ -191,13 +208,11 @@ where
         let pin_code = history_request.pin_code.clone();
         let request_id = history_request.request_id.clone();
 
-        let content: MessageHistoryContent =
-            MessageHistoryContent::Request(MessageHistoryRequest {
-                request_id: request_id.clone(),
-                pin_code: pin_code.clone(),
-            })
-            .into();
-        let content_bytes = bincode::serialize(&content)
+        let content = MessageHistoryContent::Request(MessageHistoryRequest {
+            request_id: request_id.clone(),
+            pin_code: pin_code.clone(),
+        });
+        let content_bytes = bincode::serialize::<MessageHistoryContent>(&content)
             .map_err(|e| MessageProcessingError::Generic(format!("{e}")))?;
 
         let _message_id =
@@ -250,7 +265,7 @@ where
         }
 
         // the reply message
-        let content: MessageHistoryContent = MessageHistoryContent::Reply(contents.clone()).into();
+        let content = MessageHistoryContent::Reply(contents.clone());
         let content_bytes = bincode::serialize(&content)
             .map_err(|e| MessageProcessingError::Generic(format!("{e}")))?;
 
@@ -734,6 +749,14 @@ mod tests {
             .expect("history request");
         assert_eq!(request_id.len(), 32);
         assert_eq!(pin_code.len(), 4);
+
+        // test that another request will return the same request_id and pin_code
+        let (request_id2, pin_code2) = client
+            .send_history_request()
+            .await
+            .expect("history request");
+        assert_eq!(request_id, request_id2);
+        assert_eq!(pin_code, pin_code2);
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]