Transaction not yet indexed

i91DcMRPsBru6XpCJ8Fc7u46t8wrfAnsdvntSPEnCEWciYVTmuoNpR4ZCCqerSzPxUQJUJkhE6YRYgNFdjYR8zo

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