{
  "type": "init",
  "model_id": "sonic-3",
  "voice": "f786b574-daa5-4673-aa0c-cbe3e8534c02",
  "encoding": "linear16",
  "sample_rate": 24000
}

{
  "type": "text",
  "text": "Hello, this is Cartesia Sonic 3."
}

{
  "type": "flush"
}

{
  "type": "close"
}

{
  "type": "keepalive"
}

{
  "type": "audio_chunk",
  "data": "UklGRiQAAABXQVZFZm10IBAAAAABAAEA...",
  "context_id": "demo-context-123"
}

{
  "type": "audio_end",
  "context_id": "demo-context-123"
}

{
  "type": "error",
  "message": "Provider returned an unexpected error",
  "status_code": 500,
  "error_code": "provider_error"
}