Transaction not yet indexed

28E91VfoHVEkHEfBkhD88b8WBToB3YUaaUmY7DvrdmWmXamNPW9gnxCf78CDFFFVgowP1sF62vSfeDLCo7WWf5h9

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