How to send some custom payload data for Service now from Grafana Alertmanager so that service now generate ticket based on the alert and custom body

How to send some custom payload data for Service now from Grafana Alertmanager so that service now generate ticket based on the alert and custom msg body

Hello and welcome to the forums.
What version are you using

Hi, it’s Grafana cloud v7.5.4

Hello

While integrating snow with grafana for that along with a webhook post call we need to send a custom payload which we are pasing but grafana is transforming it in some different format while sending webhook this is causing the request to fail can someone please help