curl --request POST "https://gptproto.com/v1beta/models/veo-3.1-fast-generate-preview:predictLongRunning" \
  --header "x-goog-api-key: $GPTPROTO_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "instances": [
      {
        "prompt": "실제 모델이 포토슈팅을 위해 포즈를 취하는 영상을 생성하세요.",
        "image": {
          "mimeType": "image/png",
          "bytesBase64Encoded": "BASE64_ENCODED_IMAGE"
        }
      }
    ],
    "parameters": {
      "aspectRatio": "9:16"
    }
  }'

curl --request POST "https://gptproto.com/v1beta/models/veo-3.1-fast-generate-preview/operations/{{operation_id}}" \
  --header "x-goog-api-key: $GPTPROTO_API_KEY" \
  --header "Content-Type: application/json"