Transaction not yet indexed

421sJ2P4WkrDbfiDLk4HYAPTx9PBasTaLfLiVUrf9FJhKWQtTMJSYdUNK794q4uVTMfxVtnJjAQLCLmgSQbUCwoS

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