Transaction not yet indexed

iMc56e8tkzAFrEsC4NNDH8ZmFPMttNF5pJkAzF8maSRCPjWktremEEDuSbj8FbeNi2F4cgLNKna62Ay3Mexgf12

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