{
     "Inventory App": {
         "AnalyticsUI": "UP",
         "BaseUI": "UP",
         "PlanningUI": "UP",
         "UploadUI": "DOWN"
     }
}

export class AppModel {
constructor(
        public experience: AppList
    ) {}
}

export class AppList {
    constructor(
        public appName1: String,
        public appName2: String,
        public appName3: String,
        public appName4: String,
        public appName5: String
    ) {}
}

import { AppModel } from './model/appList.model';
 getAppStatus$(): Observable<AppModel> {
            return this.http
              .get('https://abc.xyc.com/AppController/AppsStatus')
              .catch(this._handleError);
          }

export class MainComponent {
......
appList: AppModel;
.....

public _getAppStatus() {
        this.appSub = this.api
            .getAppStatus$()
            .subscribe(
            res => {
                this.appList = res;
                console.log(this.appList);
                console.log(this.appList.experience);
            },
            err => {console.error(err); }
            );
    }
}