Transaction not yet indexed

MekfPPmjiaTtVrBaFgjPmstXVoNsF6iTtMCtoFuS8GSsc7NTJW9WVeaWrbdUagqg5EvRp8MDvdSNppS49ZXgbfq

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