I have and object like this:

1. company: “”
2. displayIcon: true
3. displayLabel: “Administrator”
4. email: “devnull@nuxeo.com”
5. entity-type: “user”
6. firstName: “”
7. groups: []
8. id: “Administrator”
9. lastName: “”
10. prefixed_id: “user:Administrator”
11. tenantId: null
12. type: “USER_TYPE”
13. username: “Administrator”
14. proto: Object

and is used like an Object, but i want to use it like an User