Fixed Issue #3 & updated Version

package.json

@@ -1,6 +1,6 @@
 {
   "name": "marcsync",
-  "version": "1.1.3-dev",
+  "version": "1.1.4-dev",
   "description": "A NodeJS MarcSync Client to communicate with MarcSync's API",
   "main": "dist/marcsync.js",
   "types": "dist/index.d.ts",

src/SubscriptionManager.ts

@@ -11,7 +11,11 @@ export class SubscriptionManager {
     
     constructor(accessToken: string) {
         this._accessToken = accessToken;
-        this._subscriptions = {} as Record<keyof ClientEvents, ((...args: any) => void)[]>;
+        this._subscriptions = {
+            entryCreated: [],
+            entryDeleted: [],
+            entryUpdated: []
+        } as Record<keyof ClientEvents, ((...args: any) => void)[]>;
         this._hubConnection = new signalR.HubConnectionBuilder()
             .withUrl("https://ws.marcsync.dev/websocket?access_token=Bearer " + accessToken, {
                 skipNegotiation: true,