Data object that contains States information

User.java

public final class User {
    public final String id;
    public final String name;
    public final Throwable error; // the reason for failing to fetch will be stored here
    public final State state; //either of SUCCESS,PROGRESS,ERROR enum
    
    public User(Throwable error, State state, String id, String name) {
        this.error = error;
        this.state = state;
        this.id = id;
        this.name = name;
    }
}