geoJSON with cesium

Dear Sir,

we have 3D GeoJSON data and want to display in cesium global

can you please share sample code that supports us to show our data showing
3D GeoJSON

Thank you

Mohammed Kabeer

Have you tried loading your GeoJSON as shown here?

https://sandcastle.cesium.com/index.html?src=GeoJSON%20and%20TopoJSON.html

Does that work for you?