Transaction not yet indexed

5FfC91qbaYtW9jZFHPspdWWJSbWSYcSyhUuQzZA54iVsEkeDbRmpBSVW15oSMbQWtJEwTSzJ4TWv1bMbLQMkEWiq

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