Transaction not yet indexed

5b99AXR8kMEpeRD2psu3T5tAxcK2NJC3FrzrcZ4E3wU9qPVqY6tmryFeCg5yS7zUcHvDrB746kxrt8T23qjiDr36

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.