Transaction not yet indexed

mffFe5xXPUNFyNvbPPLZuubxHnanbYbmYycdfvLCauxbzCHeESARysYpoCgp2q2sPzwqCWjNo2oNfeFgwmPwtt2

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