Transaction not yet indexed

21ExqPEPAdankvMhzsT5dny3MbuTMLwrT4dAJb3tyYVLTyMpA2tiN2g5QSCjWSbmVYNtNrZtWT4E8cdJScN7pUPc

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