Transaction not yet indexed

421aKoWGyceLQZd3dTsfqxzm8qy5Y2WkBkaT41LZ3VsDq3sXu1LBPBfqdbfWyuBNfCTiZxTwLPaB2ApGSjPgycPr

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