Transaction not yet indexed

278SmWLSYTcU2thqXmDuicdJfrYFNsKGs6aFWwKWJ4MHCQTrUSfxojXL4eknnHBPf7v3R9uqbKUuDvcCcEBmXqDS

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