Transaction not yet indexed

MmfDnDeSaZ2RrfVJMook6dAEDNVsL4T4n1PfHvJCHLtJdm1PkjSnjVN27wcmSwtsjBdfgGuLtxk4auGomEcGFsF

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