Transaction not yet indexed

5ff91EY9UyuBJkSW6khg5ymJsrPCp6ABRcBkUtRTV4ruh3jz8GDEpi8upmtDVQVTSALoBdG9BUZBjd3od4V2pfJo

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