Transaction not yet indexed

5b91PfTKFi7XSctFZT2R6DER8r8TdE9brwJ3EFe3YMGuSSbt68RnE4xWyBzecBPcpy1aqKbQ4jfZgB8PJLQngggu

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