Transaction not yet indexed

21s6yk9MSdfT8VEcRpQcGakHBv2aqeMJ6xtD2i11S8vDXvKkLBp6Gp2c2SuLA2BDdJdg4mo3d2qCFam577higYx8

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