Transaction not yet indexed

21Fm4Bcvio6abT8gBprCMXLKH6nEksAQJS3FkhzgJ8j3VvsYNYCnPm5d5ofTMe3FmVUes7vsyFQ1sCfrjEynuXf1

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