I am getting Json from third party API, it contain invalid field names like ".issued" and ".expires". How can I convert the Json to a C# class.
{
    "access_token": "fdsfdsfds3243243",
    ".issued": "Thu, 02 Aug 2018 08:14:25 GMT",
    ".expires": "Thu, 16 Aug 2018 08:14:25 GMT"
}
 
    