Consider calling ConfigureAwait on the awaited task (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2007)

Call System.IDisposable.Dispose on object created by 'new WssJsonTransportChannel(m_telemetry)' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)

Prefer the generic overload 'Opc.Ua.Bindings.WebApiBodyCodec.DecodeBody<T>(byte[], Opc.Ua.IServiceMessageContext, Opc.Ua.JsonDecoderOptions?)' instead of 'Opc.Ua.Bindings.WebApiBodyCodec.DecodeBody(System.Type, byte[], Opc.Ua.IServiceMessageContext, Opc.Ua.JsonDecoderOptions?)' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2263)

Call System.IDisposable.Dispose on object created by 'CreateKey("kid-1")' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)

Call System.IDisposable.Dispose on object created by 'CreateKey("kid-2")' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)

Call System.IDisposable.Dispose on object created by 'CreateKey("kid-1")' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)

Call System.IDisposable.Dispose on object created by 'CreateKey("kid-1")' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)

Call System.IDisposable.Dispose on object created by 'CreateKey("kid-1")' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)

Call System.IDisposable.Dispose on object created by 'CreateKey("kid-2")' before all references to it are out of scope (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2000)