structuredAttrs is enabled

trying https://www.nuget.org/api/v2/package/AspNetCore.HealthChecks.UI.InMemory.Storage/9.0.0
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100    230   0    230   0      0    382      0                              0
100  28732 100  28732   0      0  35679      0                              0