Transaction not yet indexed

1UbM8swNRyuYbR8BiRoR8Ntry3Rj4urwpe2Vh5vZkUiTPWHsgcyQ4991BzVzoHUiVTT5sm3c9kPaDbdm3P4sSZ7

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