POST /images/variations

{
  "file": {
    "name": "Variation of A crowded dance floor seen from above, with cluste",
    "type": "image/png",
    "extension": "png",
    "description": "Generated image variation using DALL-E."
  }
}

{
  "file": {
    "name": "Variation of A hairy frog",
    "type": "image/png",
    "extension": "png",
    "description": "Generated image variation using DALL-E."
  }
}