{
  "type": "init",
  "model": "bulbul:v3",
  "voice": "shubh",
  "config": {
    "language": "en-IN",
    "speech_sample_rate": "24000",
    "encoding": "linear16",
    "pace": 1,
    "temperature": 0.6
  }
}

{
  "type": "text",
  "text": "Hello, this is a test of text-to-speech synthesis."
}

{
  "type": "flush"
}

{
  "type": "clear"
}

{
  "type": "close"
}

{
  "type": "keepalive"
}

{
  "type": "ready",
  "session_id": "sess_tts_abc123"
}

{
  "type": "audio",
  "data": {
    "request_id": "20260320_9a16651d-38fa-430a-b688-7d0bea33972f",
    "content_type": "audio/pcm",
    "audio": "KAVWBYAFcgVtBUE..."
  }
}

{
  "type": "segment_start",
  "segment_id": "seg_001"
}

{
  "type": "segment_end",
  "segment_id": "seg_001"
}

{
  "type": "flushed"
}

{
  "type": "cleared"
}

{
  "type": "audio_end",
  "duration": 3.5
}

{
  "type": "error",
  "code": "provider_error",
  "message": "Provider returned an unexpected error"
}