Transaction not yet indexed

5k21nvgbCaFpH4YCRp3BpFxvcHq4yeDgt4f9NcwczH5T9FaEGuqB2Bik8FvDbA69NbM4disa9MVqPJAbVsF7QB75

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