Transaction not yet indexed

ngaXkJDFseUhx3cqZhSDWiskaz7rk8vbN5K8v5msp1EXA9Mw1MGFhVekJ6zPwKxQkiMKNEfV2yH6LmnwKdhPsqn

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