Adds meaningful response for the API caller

lib/helpers/safeParseJSON.ts

@@ -3,6 +3,12 @@ export default function parseJSONSafely(str: string) {
     return JSON.parse(str);
   } catch (e) {
     console.error((e as Error).message);
+    if ((e as Error).message.includes("Unexpected token")) {
+      return {
+        success: false,
+        message: `Invalid JSON in the body: ${(e as Error).message}`,
+      };
+    }
     return {};
   }
 }