Transaction not yet indexed

421s54uAmkGUh64iKCM1sdPxdYJ34vHTJ7M3c5Xz9k2gSUpo2z93VAhiu3jWNpm3CBHTC9UVwc2DBs5p6bV59tkR

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