Transaction not yet indexed

21LuxGAFeJMNpiXHEHzqiZWKBJkhcrNsXHHSzXbQxubE27gtkaBd363wEE2CwHYKp4fdeZABWyxGDwShmPDH3Uz1

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