Transaction not yet indexed

21TbLUkMVvAjLNyk9CoPBk7BYD8Yepr27Uzi1UFzYXLPA4exdRTGkMnbjpVn9NiPStz1sAcCRWc8Tv4HqUS9UVm2

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