createModel() {
			this.oModel = new JSONModel({
				additionalData: {
					level1: {
						text: "level1",
						level2: {text: "level2"}
					}
				},
				rootproperty: "test1",
				teamMembers: [
					{firstName: "Andreas", lastName: "Klark"},
					{firstName: "Peter", lastName: "Miller"},
					{firstName: "Gina", lastName: "Rush"},
					{firstName: "Steave", lastName: "Ander"},
					{firstName: "Michael", lastName: "Spring"},
					{firstName: "Marc", lastName: "Green"},
					{firstName: "Frank", lastName: "Wallace"}
				]
			});
			return this.oModel;
		}
Gets the default JSON model.
@returns {sap.ui.model.json.JSONModel} The model