Transaction not yet indexed

MMt2jHCQ8w3Vujn98QdoK9RKLTFTaApYiQGpTqr5jUE6sPhcUsc3neMC5ovdpvqcTx8gwUs8DmcFDF2fftyNSLA

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