def fetch_user(id)
      user_data = connection.get("/users/#{id}.json")
      user = user_data && user_data[:user]
      user[:created_at] = Time.parse(user[:created_at])
      user
    end
def fetch_user(id)
      user_data = connection.get("/users/#{id}.json")
      user = user_data && user_data[:user]
      user[:created_at] = Time.parse(user[:created_at])
      user
    end
Perform a request for the user with the given ID