{
    "1": {
        "class_type": "IndexTTSEngineNode",
        "inputs": {
            "model_path": "IndexTTS-V2",
            "device": "auto",
            "emotion_alpha": 0.7,
            "use_random": true,
            "max_text_tokens": 200,
            "use_fp16": true
        }
    }
}