Transaction not yet indexed

28Gw6fpmZAnvyDvdcJcnPwB8NEg9DBpoocT5HVfJd73TffFDCQuMtanfPzs2dmoqgvd6v6oUYCB3L2UAXSgtB1S1

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