Transaction not yet indexed

Hzu91mtPLFRTV8ESnqPtunYPyL3we7vLmTdtUyYL9FPe6f7uuUCnmBR4eSPCm6dSH1zdHdiLvRuGAHUk1JRBWpZ

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