Transaction not yet indexed

MMrMCFGSigW9xtUaLuRvmc9Q3fCmRNPfobYt2gwJpfVjTnQymrcGEa75fwBeJRqhsKmLU1e9dPFDCgvZ5nwEiD1

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