Transaction not yet indexed

28SD53idUgSn1iKTTwaDTWaKZ6iQbnujdDM1WG1gnSZcNuHsnnRpjDeGfZdwuKFjhkFCieA3z33mxqJyH4iJEZqs

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