Transaction not yet indexed

28SfTeFETSxJgX5b4zqd5TmRiWEsiuiXtfDu45HLvJdq9pLvd5Y2L4xpNoeaPkDx8XScTfYoVY5RT23Dpdr71vvM

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