Reactive Example Not Working

I'm using the latest version of Neo4j.Driver.Reactive nuget in C# project. However, the examples don't provide a full working example.

The session API - Neo4j .NET Driver Manual has the following:

public IObservable GetPeople()
var session = Driver.RxSession();
return session.ReadTransaction(tx =>
return tx.Run("MATCH (a:Person) RETURN ORDER BY")
.Select(record => record[0].As());

However, how do I consume/use the records returned?