Transaction not yet indexed

Qu21AnCBJbdVEie18Nsg96XzEAUcSLeDMZAYumtPpH4zVcrbLHLMAB6eENPui9E9bCtmVZ8gS2hP6ZahiLaAjoM

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