Transaction not yet indexed

MeTC6UctguG4z5Mka5QrmpPS5KFRFHTeMRmH7nVmPfiVEPGHzpXnrpUN1Vd4wtp2ikqTmuNwRWmNX7wRWw3Mstm

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