curl --request PUT \
  --url https://{server-url}/chat/markMessageAsRead/{instance} \
  --header 'Content-Type: application/json' \
  --header 'apikey: <api-key>' \
  --data '
{
  "read_messages": [
    {
      "remoteJid": "<string>",
      "fromMe": true,
      "id": "<string>"
    }
  ]
}
'

{
  "message": "Read messages",
  "read": "success"
}