subscriber-tag

class SubscriberTag(models.Model):
    subscriber = models.ForeignKey(Subscriber, on_delete=models.CASCADE, null=True, related_name='related_tags')
    key = models.CharField(max_length=50, null=False, db_index=True)
    value = models.CharField(max_length=50, null=True)
    value_str = models.CharField(max_length=50, null=True)
    value_int = models.IntegerField(null=True)
    subscriber_uuid = models.UUIDField(null=True, db_index=True)