Transaction not yet indexed

28Keo7R5eF3cwAwbfi8b6tARb6JS4AmqfZNUq2s3fufMqmRMg4esJp1Et6QkTmbPX8Ej4gSkpGE99k4x1qQNHdty

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