old_contents: import json
  
  from django.db import models
  from django.utils import timezone
  
  from jsonfield import JSONField
  
  from sendgrid_events.signals import batch_processed
  
  
  class Event(models.Model):
      kind = models.CharField(max_length=75)
      email = models.CharField(max_length=150)
      data = JSONField(blank=True)
      created_at = models.DateTimeField(default=timezone.now)
  
      @classmethod
      def process_batch(cls, data):
          events = []
          for line in data.split("\r\n"):
              if line:
                  d = json.loads(line.strip())
                  events.append(Event.objects.create(
                      kind=d["event"],
                      email=d["email"],
                      data=d
                  ))
          batch_processed.send(sender=Event, events=events)
          return events
  
new_contents: import json
  
  from django.db import models
  from django.utils import timezone
  
  from jsonfield import JSONField
  
  from sendgrid_events.signals import batch_processed
  
  
  class Event(models.Model):
      kind = models.CharField(max_length=75)
      email = models.CharField(max_length=150)
      data = JSONField(blank=True)
      created_at = models.DateTimeField(default=timezone.now)
  
      @classmethod
      def process_batch(cls, data):
          events = []
          for event in json.loads(data):
              events.append(Event.objects.create(
                  kind=event["event"],
                  email=event["email"],
                  data=event
              ))
          batch_processed.send(sender=Event, events=events)
          return events
  
subject: Update for latest Sendgrid webhook format