Transaction not yet indexed

Sb6mhwndmvwSf5z5xct6RA2LEGHe5jVMPJ6FREEwHiq51Qcv69cs5q9PBZUvYAFfKXFnr7sJ8fMUxxyEq1W5k17

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