Feb 25, 2020 09:02 AM|Rena Ni|LINK
As Deserialization behavior docs said：
>Deserialization to reference types without a parameterless constructor isn't supported.
`Geometry` contains constructor but does not contain parameterless constructor.
This is a known github issue.And it has been added to .Net Core 5.0 milestone.
To fix such issue,you could switch back to the previous default of using `Newtonsoft.Json`.
Firstly,install the `Microsoft.AspNetCore.Mvc.NewtonsoftJson` NuGet package. Then in ConfigureServices() add a call to AddNewtonsoftJson() as follows: