Transaction not yet indexed

mRkFHh8XY7F2idXrCcke2jD9RKqbbGTDqWiYn9eZqtvmkEPuHBj72aSMmaQVqEtFR6PaDCDptHUvMBn48NP4RZn

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