Transaction not yet indexed

5u91QBUgWEEpLPAaLLHCBkBzPPZMsq5eAgKP1RVELq58FEffGG3p7b9Gj1D3NUPPd41Gf4g5T8WLvz9FLcVcP797

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