{
    "n_layers": 3,
    "lstm_hidden_units": 256,
    "attn_n_head": 4,
    "attn_approx_qk_dim": 512,
    "emb_dim": 64,
    "emb_ks": 4,
    "emb_hs": 2,
    "activation": "prelu",
    "eps": 1e-05
}