Transaction not yet indexed

21tCSKXgoCmKkCG29WtFDMuD9pDSavDwm8HcFPGjcQZHdV9RppxS184u9k2WEYpfpRQ4Suy6yf8cAT2UgroYwdK2

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