code: func (m *Last2FAManager) Exists(globalID string, username string) bool {
  	condition := []interface{}{
  		bson.M{"globalid": globalID},
  		bson.M{"username": username},
  	}
  	count, _ := m.collection.Find(bson.M{"$and": condition}).Count()
  
  	return count == 1
  }
docs: // Exists checks if an organization - user combination entry exists.