{
  "content_id": "e3ff7fc5-6788-45de-83f0-cbf34e9fe8bd",
  "slug": "raib-reports",
  "format": "raib_report",
  "name": "Rail Accident Investigation Branch reports",
  "beta": true,
  "signup_content_id": "db81c7e8-b1b6-4c29-992a-1289f1b63073",
  "signup_copy": "You'll get an email each time a report is updated or a new report is published.",
  "organisations": ["013872d8-8bbb-4e80-9b79-45c7c5cf9177"]
}

{
  "content_id": "e3ff7fc5-6788-45de-83f0-cbf34e9fe8bd",
  "slug": "raib-reports",
  "format": "raib_report",
  "name": "Rail Accident Investigation Branch reports",
  "beta": true,
  "signup_content_id": "db81c7e8-b1b6-4c29-992a-1289f1b63073",
  "signup_copy": "You'll get an email each time a report is updated or a new report is published.",
  "organisations": ["013872d8-8bbb-4e80-9b79-45c7c5cf9177"],
  "email_signup_choice": {
    "key": "railway_type",
    "choices": [
      {
        "key": "heavy-rail",
        "name": "Heavy rail"
      },
      {
        "key": "light-rail",
        "name": "Light rail"
      },
      {
        "key": "metros",
        "name": "Metros"
      },
      {
        "key": "heritage-railways",
        "name": "Heritage railways"
      }
    ]
  }
}

Add railway_type as email signup choice for RAIB
Add railway_type as email signup choice for RAIB
