Transaction not yet indexed

421YPE643sHS3mPQXGSkoHyS3kU7kMBSdAVSmVKcn5zDK7QqXjhnZzmfFDyyf2m1sXccuA2WUTSECDDP2zbE1Qgn

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