trying https://www.nuget.org/api/v2/package/Microsoft.AspNetCore.SignalR.Protocols.Json/6.0.10
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   232    0   232    0     0    341      0 --:--:-- --:--:-- --:--:--   346
100 95844  100 95844    0     0  88251      0  0:00:01  0:00:01 --:--:-- 6631k