Getting "fine_tuned_model" as null while fine tuning GPT-3

I am Getting “fine_tuned_model” as null while fine tuning GPT-3 in fine_tuning responses

{
  "created_at": 89768658,
  "events": [
    {
      "created_at": 634543534,
      "level": "info",
      "message": "Created fine-tune: 65754645764765",
      "object": "fine-tune-event"
    }
  ],
  **"fine_tuned_model": null,**
}