Transaction not yet indexed

21ExHMfmQYMSzeWA8cqfxEV6MtasKE9KdfmLTTcg89rzMZmtsFwFcmAvGQGNm6u7b9vuM9DTp3fc4oCYB6hVDnbW

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