Transaction not yet indexed

21R5PQRTCFNGmNQYFXaLL2LqKm6GjgvYbqGbBzLbyAE2tqhtrbidSBnG1tziA5Fbc7gCaVYWABChoLUXScynbtx1

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