Transaction not yet indexed

MNbQmDZQyxL2PrXVvzbjbNkEqBgkQmGqB7hhib6gRc1Mzk2DxJcoovjqSs3X3d3t8yrM6VwG66Dd46Bisdm2iXQ

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