An exception of type 'Newtonsoft.Json.JsonSerializationException' occurred in Newtonsoft.Json.dll but was not handled in user code

Additional information: Error converting value "{

  "Secret": "foobar-todo",

  "Username": "kl;'\\",

  "Password": "yppp",

  "Authorized": true

}" to type 'FlexProcess.WebUI.Models.ExternalLoginResponseModel'. Path '', line 7, position 3.