Transaction not yet indexed

21RKfcAUAYwde2dSrJ5P7uyDSdqAbqkSad6LB81TCsFBDTDuwp6RTwJMCRaZPyWjD9ngmzmvg2AC4C1rtnCskpqH

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