@Efe Doğanlar The Read API(Analyze operation) supports response in various language text so you should expect the response from the service to contain text as is in the image.
I believe you are also referring to the try it out page for the console operation you mentioned where a simple tool is available to test the API. In this case this tool uses a basic scenario to display text in a normalized way as it does not take additional parameters other than the image and operation name. The actual result of an operation is the direct response of the API as mentioned in the references for API. I have tested this scenario with the language parameter and the response both in case of English or Spanish displays the result as "João Victor" which is correct in this scenario and you should handle the response on your client app to convert it to a regular character if required.