{
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    "sample_rate": 16000,
    "encoding": "linear16"
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}

{
  "type": "audio",
  "data": "UklGRiQAAABXQVZFZm10IBAAAAABAAEA..."
}

{
  "type": "finalize"
}

{
  "type": "close"
}

{
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  "context_id": "stt-a1b2c3d4-e5f6-7890-abcd-ef1234567890",
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  "commands": [
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  ],
  "features": {
    "vad": true,
    "partial_transcripts": true,
    "final_transcripts": true,
    "language_detection": true,
    "speaker_diarization": true
  }
}

{
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  "session_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
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}

{
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  "segments": [
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      "avg_logprob": -0.08
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}

{
  "type": "error",
  "code": "auth_error",
  "message": "Invalid or expired API key"
}