Transaction not yet indexed

Me9Fz2iFV5N2gZ7pahwVigxrnCwLtsUWCiM1U9ZaVcreyUWBqSi68nDnTQMocykTPdKbx3S2e9k3fhUnA2snJK9

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