Transaction not yet indexed

6St15HRfkQJgEtGymSHbscRLaidhYB5faUyL736aXoy4NcTRe8iwHwAAZDm6WBgs8PSEttXpgo7qpAzYe8HCNn6

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