Datadog - Freshdesk Webhook Error

We’re using the datadog - freshdesk webhook for creating new tickets based on datadog alerts, but this integration gets failed with below error (request body had invalid json format). can anyone please help me in this issue

  • Error: 400 {“code”:“invalid_json”,“message”:“Request body has invalid json format”}
  • Target URL: https://***
  • Your payload was:

We’re following this guide for this datadog - freshdesk integration