Transaction not yet indexed

28pf37VsEvwBeFutkey2jKihfGjEFrsVg65ZqLJWXYeGCGp3PiEf8cWeSv8Q8EH4Cnuyy3d93NhnbwhGY4z24pP2

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