Transaction not yet indexed

599mQc2bHZZMiDkWxWtn8w8VKRydCHrQwv1PSqYpUb7gGiMcbbu3eMMwxj8gQSceDvSN9VTvvvi3CsdMhMNJrvb1

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