Transaction not yet indexed

MmcSPtK91d2xaLk4nYt2MjLbeZphgsU13etqyXQikFPS1TwqRYL68KqFhbRS5X3FMcaJJcHMw4iWzknRKPcFPdc

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