Enable metadata debugging in embedded policy handling

Added print statements to log metadata buffer size, contents, and processed metadata during embedded policy handling. These changes improve visibility and aid in debugging metadata-related issues.

src/bin/main.rs

@@ -523,8 +523,10 @@ async fn handle_rewrap(
             locator = policy.get_locator().clone();
         }
         PolicyType::Embedded => {
-            // println!("embedded policy");
+            println!("embedded policy");
             if let Some(body) = &policy.body {
+                println!("Metadata buffer size: {}", body.len());
+                println!("Metadata buffer contents: {:?}", body);
                 metadata = match root_as_metadata(body) {
                     Ok(metadata) => Some(metadata),
                     Err(e) => {
@@ -533,7 +535,7 @@ async fn handle_rewrap(
                     }
                 };
                 // TODO add contracts
-                // println!("metadata: {:#?}", metadata);
+                println!("metadata: {:#?}", metadata);
             }
             // add content rating contract
             let rl = ResourceLocator {