const observer = mepsdk.observeUserData() observer.subscribeUserRelations(onCreated: Function, onUpdated: Function, onDeleted: Function) .then((relations: MepRelation[]) => { observer.subscribeUserChats(onCreated: Function, onUpdated: Function, onDeleted: Function) .then((chats: MepChat[]) => { observer.subscribeUserMeetings(onCreated: Function, onUpdated: Function, onDeleted: Function) .then((meetings: MepMeet[]) => {

})