Transaction not yet indexed

21Ukcy5iXLTto4SK4tfpvjg76A6St5bZCb5n4cd8WkXEjPm6HH7ByZewKJKF864KepCM6GJrHPqB3X5fWYMsJXKo

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