Transaction not yet indexed

28HPFXsbfkJgTNsTdNxrYJr6GoG3PMeAVYzzUM9NHtJU3WsDWJjz8zAvtqZa6MzMsfdV8oNRWFs1QTCpXQ3RXMPF

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