GraphQL nested authorization

gistfile1.txt

enum ROLES {
  USER
  USER_OWNER
}

type User {
  id: ID! # This field is public
  name: String @requires(role: USER) # This field is available to all registered users
  privateField: String @requires(role: USER_OWNER) # From here I can just compare the object id with the context user id
  nestedField: AnotherObject
}

type AnotherObject {
  publicField: String
  ownerPrivateField: String @requires(role: USER_OWNER) # From here I can't get the parent user id and so I don't know how to check the owner!
}