Transaction not yet indexed

MeWWmi77i3b5NvzSfkPjTmB2tqHbaxLAtD8cEcuukcMQDePvMEFcKCvhiazXc3j3e76155CaeJELRgnU1eUrEvt

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