Transaction not yet indexed

MuNPZKkNLuAe4EiuWC6usgnM1erc5wzqR4cGyLzGEAW8r2TRuyba52fAm9ZpLX77EiTeRnFMcwMdeK6dCVzkHdQ

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