Transaction not yet indexed

YkcefKJaF4t4g4fu2fdqSRRQrufiVLCncPMGH36e5unC3MYCdU2e3RvH3CjXGuYKHQHfiuWgqLvMbqPBj8q18Yb

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