As of April 12th, you must go to Progress SupportLink to create new support cases or to access existing cases. Please, bookmark the SupportLink URL and use the new portal to contact the support team.
Kinvey's BL code is a sandboxed NodeJS environment, which supports ECMAScript Edition 5. Therefore you have access to the standard built in object called JSON, [mozilla docs contain api details](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify "Mozilla Docs").
Yordan