curl --request PATCH \
  --url https://api.aisa.one/apis/v1/agentmail/inboxes/{inbox_id}/messages/{message_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "add_labels": "<string>",
  "remove_labels": "<string>"
}
'

{
  "message_id": "<string>",
  "labels": [
    "<string>"
  ]
}