curl --request GET \
  --url http://localhost/api/admin/content/templates \
  --header 'Authorization: <api-key>'

{
  "templates": [
    {
      "id": "<string>",
      "name": "<string>",
      "workspaceId": "<string>",
      "updatedAt": 123,
      "definition": {
        "title": "<string>",
        "body": "<string>",
        "imageUrl": "<string>",
        "android": {
          "notification": {
            "channelId": "<string>"
          }
        }
      },
      "draft": {
        "title": "<string>",
        "body": "<string>",
        "imageUrl": "<string>",
        "android": {
          "notification": {
            "channelId": "<string>"
          }
        }
      },
      "whatsappTemplate": {
        "rejectionReason": "<string>"
      }
    }
  ]
}