curl --request PATCH \
  --url https://demo.enneo.ai/api/mind/sessions/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "add": [
    123
  ],
  "remove": [
    123
  ]
}
'

{
  "success": true,
  "participants": [
    {
      "id": 123,
      "name": "<string>"
    }
  ]
}