more fixes

src/net.ts

@@ -64,7 +64,9 @@ export const signedFetch = async (url: string, init: RequestInit, signedInit: Si
     else throw "unsupported headers type"; // Lazy.
 
     console.log("Headers:");
-    newHeaders.forEach((header) => console.log(header));
+    for (const [key, value] of newHeaders) {
+        console.log(`${key}: ${value}`);
+    }
 
     return fetch(url, {
         ...init,