Transaction not yet indexed

421sXmq1VxAdfkiCDSzr4eKghwsvuUmLBDTTejPmqX6aChEGA4DGPZmw4S5uFzVc16e915XXGDz2qB5dvZ4QZSb4

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