Transaction not yet indexed

5U2pbJkRVAkG2nAmjn1LiQUAzWLUQQFMCAb4mnjZQvARxh65bqWT8s2ogiDiVdFaMBxxdyPEPWhYBi5tiNQkDNe7

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