Transaction not yet indexed

XmkEBCTkPUTawKXK6tSqw2yjfpVNZvFFJMdrPvKfvM6Sxara4EMoP8GMvutUuC41fbZiZkAcHTVpT8aDFMKjGdR

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