Transaction not yet indexed

21515b2RZNXt1SvCsQVBsoemtcipHySPofYL66BNa7mtuPMEsE4bVFzXgWzLLVJpoWKKcEBYJNaLvrrPnhoJ33Pf

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