Transaction not yet indexed

MY9qfQpopVtx44CqGgDp4WKaHsFYoFMk6hdVPr9RL9Vhv3c7dtE1CXQHsR5Wdm4cSPeEGuJdkWxy8mkpCuboCo7

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