Transaction not yet indexed

NM6uUbU1fredu9wtPXaJjgn8ZzD9n73FRaomKs9kyx99GXQ3eA2M14FJBJKPSbM9www7VkM9NtF1gbiDC6V9K8E

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