curl --request GET \
  --url http://localhost:3000/v1/admin/notifications/email-templates/{type}

{
  "template": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "notification_type": "<string>",
    "subject": "<string>",
    "body_html": "<string>",
    "body_text": "<string>",
    "is_enabled": true,
    "available_variables": [
      "<string>"
    ],
    "created_at": "<string>",
    "updated_at": "<string>"
  },
  "subscribers": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "first_name": "<string>",
      "last_name": "<string>",
      "email": "<string>"
    }
  ]
}