Return empty value if there are no records match a key

src/dlt/gateway/dltApp/src/dltGateway.js

@@ -101,7 +101,8 @@ async function getFromDlt(call, callback) {
 
     // Send the response with the formatted JSON data
     callback(null, { record_id: call.request, data_json: JSON.stringify(result) });
-  } catch (error) {    if (error.message.includes("data not found for key")) {
+  } catch (error) {   
+   if (error.message.includes("data not found for key")) {
     // Return an empty response when no record is found
     callback(null, { record_id: call.request, data_json: "{}" });
   } else {
@@ -110,6 +111,7 @@ async function getFromDlt(call, callback) {
       code: grpc.status.UNKNOWN,
       details: error.message
     });
+   }
   }
 }