curl --request POST \
  --url https://converso-whatsapp-api.p.rapidapi.com/chat/markChatUnread/{instance} \
  --header 'Content-Type: application/json' \
  --header 'instanceCode: <api-key>' \
  --header 'x-rapidapi-key: <api-key>' \
  --data '
{
  "lastMessage": [
    {
      "remoteJid": "<string>",
      "fromMe": true,
      "id": "<string>"
    }
  ],
  "chat": "<string>"
}
'

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