Transaction not yet indexed

28RzLeEx6Ap2grTfpS6VmEmw6Xxgp82AKGkrPDu8MMDEcQhipLz5wmeT8ao8KCeSRPGNdTN4LJYv17SpTwd72p51

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