Transaction not yet indexed

21Un866RDbZARcmFRm3UrzQF8aNQN87GjAzScPWfe17Eu2eGaiZuhPw7gaeYuJ5vKjH37krSP3AEV6TE4ZrNYBi8

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