curl https://api.portkey.ai/v1/threads/thread_abc123/messages/msg_abc123 \
  -H "Content-Type: application/json" \
  -H "x-portkey-api-key: $PORTKEY_API_KEY" \
  -H "x-portkey-virtual-key: $PORTKEY_PROVIDER_VIRTUAL_KEY" \
  -H "OpenAI-Beta: assistants=v2" \
  -d '{
      "metadata": {
        "modified": "true",
        "user": "abc123"
      }
    }'

{
  "id": "<string>",
  "object": "thread.message",
  "created_at": 123,
  "thread_id": "<string>",
  "status": "in_progress",
  "incomplete_details": {
    "reason": "content_filter"
  },
  "completed_at": 123,
  "incomplete_at": 123,
  "role": "user",
  "content": [
    {
      "type": "image_file",
      "image_file": {
        "file_id": "<string>",
        "detail": "auto"
      }
    }
  ],
  "assistant_id": "<string>",
  "run_id": "<string>",
  "attachments": [
    {
      "file_id": "<string>",
      "tools": [
        {
          "type": "code_interpreter"
        }
      ]
    }
  ],
  "metadata": {}
}