Transaction not yet indexed

21ArbmkmaMTQ1SFLtbk1KmCqVjpsCMC2LHH7VtbF97Ei2NZeX2FddeepoMkpHRdVthZmUfeePxvTRH1WNUUqNmsP

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