Transaction not yet indexed

mFKKCoZoQ7knsP9MyWAD99CL2WYUnoLFBu3gbSzHTwLmDGP6jhRxpW1dFpxh4MoZVJcWBToHRbjbYFgEMp8NQPr

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