Transaction not yet indexed

MpmDUKZvSmiG9HPPT1YdXiVdfpFoXPHK5eC6sp2JVZdGsbNsbgKawqctrxzcwBPV7jY1ewGAzwHxoirYAddbULZ

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