Transaction not yet indexed

21UKvaiAUrTd2xtho53CsYQLDDLqAgVAqb8GmgwLeAti6qF7v4fX7W3M82hcGTHwu3b3mjqxESdWcvfpBPLD8LYe

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