Transaction not yet indexed

28LpAgSQvbWN2fHKNtFQ8XPkGnfnmAA2wcY5ihEDJPwd6RostFGis6M1zghS92crqHomFKat7RB1bDwctVt1eHan

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