curl --request GET \
  --url https://api.migma.ai/v1/export/mailchimp/{conversationId} \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "files": [
      {
        "filename": "<string>",
        "url": "<string>",
        "content": "<string>",
        "format": "html",
        "description": "<string>",
        "fileSize": 123
      }
    ],
    "executionTime": 123,
    "exportType": "html"
  },
  "error": "<string>"
}