Transaction not yet indexed

mPkz8UajNQS5fAeAjoBh6oiJoFtr9Abu2v7Zp57RAJP2ktjAssiCyWSQvMUXCgeGo2kV4RGpVtpTHjgffPCuuMU

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