Transaction not yet indexed

MMefExVSKvNCpcpHaWFUAAgTmr45ijYDL2fWmBBo4MCREJwNhqF8oVi5SBPXPjvUQMrf2etZhFuMbzsqyaX86SF

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