curl --request POST \
  --url https://main.treble.ai/session/{session_external_id}/update \
  --header 'content-type: <content-type>' \
  --data '
{
  "user_session_keys": [
    {
      "key": "order",
      "value": "1 Hamburguesa con queso, 2 Vasos de gaseosa"
    }
  ]
}
'

{
  "message": "Sesión actualizada correctamente",
  "session_id": "f33b4734a2e5db671b59877ed3f662ec1f6332a0418c25de4868e35a"
}