Transaction not yet indexed

AmHUndMUNtYQvbDYhBrtmUuyh8dqJVNix6BJS5mJX1F7Mu92HjffwB3f8XAZZdLZb4Z5wbckLC9HF9sTapdoAjo

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