Transaction not yet indexed

21mk6Dm1aka936EYbdeC5rSiZpWWi7HfsdWaHitNGHY9ysZg9gBCDyMPVvFbi8WhZa44VzGgFFULgF5HjtyNa7E7

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