Transaction not yet indexed

Rk21u8FGf4PELnJdiztpYQQhBLE3uyGzuLcScYuAyY3fuEPbFsuPwdCYhiNbkc174tyjM8fWRujKAdCkrHkFsnm

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