Edit image api, error and succes?

Hi,
I’m trying to use the edit image api, see link. Im using the new gpt-image-1 model. I cant get it to initialize properly.
https://platform.openai.com/docs/api-reference/images/createEdit

Here is my setup:

The response seen successful, even i copy and paste the base64 to a converter it result in a successfully crafted image.
Here is the response in 2 parts (long):

Looking at the docs this response seems correct, so I’m lost what to do!

{
  "created": 1713833628,
  "data": [
    {
      "b64_json": "..."
    }
  ],
  "usage": {
    "total_tokens": 100,
    "input_tokens": 50,
    "output_tokens": 50,
    "input_tokens_details": {
      "text_tokens": 10,
      "image_tokens": 40
    }
  }
}