diff --git a/swarmlab-app/src/run/app.js b/swarmlab-app/src/run/app.js
index 81ffd38..7a578c9 100755
--- a/swarmlab-app/src/run/app.js
+++ b/swarmlab-app/src/run/app.js
@@ -430,6 +430,11 @@ cors(corsOptions),  (req, res, next) => {
 //function getSHA256ofJSON(input){
 //  return   require("crypto").createHash("sha256").update(JSON.stringify(input)).digest("hex");
 //}
+
+function sleep(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}
+
 function getSHA256ofJSON(data, inputEncoding, encoding){
   if (!data) {
     return '';
@@ -444,6 +449,9 @@ function getSHA256ofJSON(data, inputEncoding, encoding){
 async function getkey(key) {
     return new Promise((resolve) => {
 
+      const randomTimeInMs = Math.random() * (2000);
+       await sleep(randomTimeInMs);
+
        pubClient.get(key, function (err, reply) {
             if(err){