code: func (m *Manager) GetGrantsForUser(username string, globalID string) (*SavedGrants, error) {
  	var sg SavedGrants
  
  	err := m.collection.Find(bson.M{"username": username, "globalid": globalID}).One(&sg)
  
  	return &sg, err
  }
docs: // GetGrantsForUser gets all the saved grants for a user and globalID