{
    "bidirectional": true,
    "use_residual": true,
    "use_dropout": true,
    "time_major": true,
    "cell_type": "lstm",
    "depth": 2,
    "attention_type": "Bahdanau",
    "hidden_units": 128,
    "optimizer": "adam",
    "learning_rate": 0.001,
    "embedding_size": 300
}