Transaction not yet indexed

5S91aHvnbJgmQBtP17c8N3ndWNfzw3Yp7ndhYECXQeS7AS8LtaZgEXB6WDdMxyRAsZ8cQSwiFmjQHyrFDT74qeT2

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