Transaction not yet indexed

Ub3RMKaURARe7pQ2cSXxqkDFB8G2EBAFXipqNkGFEchqkHoD39KEPyGEjgrvGWcjAqH42j4RBudbWfzT2GaWMzQ

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