Transaction not yet indexed

ME4FfZc47WFqHY63ZJjB7nerf5JJuuZBXftf34U3xH15qkuNvXjsDoFJRMcFNzUAVtn4mZ9VtWA6YbZLMEjzxzx

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