[
{
  "model": "auth.group",
  "pk": 1,
  "fields": {
    "name": "Conference organisers",
    "permissions": []
  }
},
{
  "model": "auth.group",
  "pk": 2,
  "fields": {
    "name": "Conference volunteers",
    "permissions": []
  }
},
{
  "model": "auth.group",
  "pk": 3,
  "fields": {
    "name": "Can see unpublished products",
    "permissions": []
  }
},
{
  "model": "auth.group",
  "pk": 4,
  "fields": {
    "name": "Pre-purchase",
    "permissions": []
  }
}
]