Transaction not yet indexed

mLExSzoosePSMiWhfgj31wCHaGktX6NsgrzKPq2H9pbmKZ1bWJuFqU1XdMLrEkh41HREJe7aH8vK1ujJUp6mqRG

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