Transaction not yet indexed

am2ZZ4yiQLKCVvKL8RyMQNVC8ea57ptJYYRcaeo6Bj3hYSspsReQ3JjKkzf3hZuZfRN6QSjZNmVSH5cAbg5HyP7

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