Transaction not yet indexed

21C5PH1S8cp96nPCGAMXCsYn1sSnRzagBM27ZWw6Aj5rPz1MccFn7CNmVcuGEApYpEHGpDxtYrY7AGBFj2nJ5psA

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