diff --git a/MonitorClient.js b/MonitorClient.js
index 80c1682..e0087bd 100644
--- a/MonitorClient.js
+++ b/MonitorClient.js
@@ -526,8 +526,10 @@ class MonitorClient extends EventEmitter {
             throw new Error(errorMessages.no_pool_id);
         }
         let result = null;
-        const startTs = startTime ? Math.floor((Date.now() - startTime) / 1000) : 0;
-        const lastTs = state.lastTs ? Math.floor((Date.now() / 1000 - state.lastTs)) : 0;
+        if (startTime > 10000000000) startTime /= 1000; // JS ts protection;
+        const now = Date.now() / 1000;
+        const startTs = startTime ? Math.floor(now - startTime) : 0;
+        const lastTs = state.lastTs ? Math.floor(now - state.lastTs) : 0;
         const period = Math.min(Math.max(this.options.period, startTs, lastTs), 360000);
         const { apiKey, poolId } = this.credentials;
         const url = `${this.options.monitor}/${method}/${poolId}?apiKey=${apiKey}&period=${period}`;
@@ -590,12 +592,13 @@ class MonitorClient extends EventEmitter {
                 try {
                     json = e.response.data ? e.response.data : JSON.parse(e.response.body);
                 } catch (jsonException) {
-                    // do nothing
+                    this.log(`Impossible to parse JSON body: ${e.response.body}`);
                 }
                 if (json && json.error) {
                     this.log(`Monitor API Error [code ${json.error.code}]: ${json.error.message}`);
                 }
             }
+            this.log(e);
             throw new Error(`${url} POST ${errorMessages.request_failed} ${e.message}`);
         }
         return result;
@@ -665,6 +668,7 @@ class MonitorClient extends EventEmitter {
                 throw new Error(`${errorMessages.rq_unkonwn_method} ${method}`);
             }
             if (data && data.body) {
+                this.log(data.timings);
                 result = JSON.parse(data.body);
             }
             break;
diff --git a/README.md b/README.md
index a195f49..5cb2064 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ monitorApp.init([
     '0x0000000000000000000000000000000000000001',
     '0x0000000000000000000000000000000000000002',
     '0x0000000000000000000000000000000000000003'
-]).then(() => monitorApp.watch((data) => console.log(data));
+]).then(() => monitorApp.watch((data) => console.log(data)));
 ```
 
 Voila, now we can get and process all the new transactions and ERC-20 operations for the specified addresses using just a single npm library and Node.js.
diff --git a/package-lock.json b/package-lock.json
index b2876b0..602aa2d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "eth-bulk-monitor-client-nodejs",
-  "version": "0.0.34",
+  "version": "0.0.38",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index db5c9eb..fdef283 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "eth-bulk-monitor-client-nodejs",
-  "version": "0.0.34",
+  "version": "0.0.38",
   "description": "Ethplorer bulk Monitor API nodejs client",
   "main": "index.js",
   "devDependencies": {