curl --request POST \
  --url https://api.novita.ai/gpu-instance/openapi/v1/gpu/instance/create \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '{
  "name": "<string>",
  "productId": "<string>",
  "gpuNum": 123,
  "rootfsSize": 123,
  "imageUrl": "<string>",
  "imageAuth": "<string>",
  "imageAuthId": "<string>",
  "ports": "<string>",
  "envs": [
    {
      "key": "<string>",
      "value": "<string>"
    }
  ],
  "tools": [
    {
      "name": "<string>",
      "port": "<string>",
      "type": "<string>"
    }
  ],
  "command": "<string>",
  "clusterId": "<string>",
  "networkStorages": [
    {
      "Id": "<string>",
      "mountPoint": "<string>"
    }
  ],
  "networkId": "<string>",
  "kind": "<string>",
  "month": 123,
  "billingMode": "<string>"
}'

{
  "id": "<string>"
}