Transaction not yet indexed

21a8hkTXAp1BmcgNHMfzz5U6FPVR25PaSteU7itFWxTuwXkyH47JzDj1Hbgp18RzkZ9F5WU3YWvWh5SAznYfVmc9

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