curl --request POST \
  --url https://control-plane.kubiya.ai/api/v1/executions/{execution_id}/message \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "message": "<string>",
  "role": "user"
}
'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}