format dynamic expando objects with Serilog

SerilogConfig.cs

Log.Logger = new LoggerConfiguration()
    .MinimumLevel.Debug()
    .Destructure.ByTransforming<ExpandoObject>(JsonConvert.SerializeObject)
    .WriteTo.AzureAnalytics(
        workspaceId: Configuration["AZUREANALYTICS_WORKSPACEID"],
        authenticationId: Configuration["AZUREANALYTICS_AUTHENTICATIONID"],
        logName: "logTableName",
        restrictedToMinimumLevel: LogEventLevel.Debug, 
        batchSize: 10)
    .CreateLogger();
var loggerFactory = new LoggerFactory()
    .AddSerilog();