curl --request GET \
  --url http://localhost/api/v1/voice_configurations/{voice_configuration_id} \
  --header 'Authorization: Bearer <token>'

{
  "name": "<string>",
  "speech_to_text": {
    "provider": "<string>",
    "watson_stt_config": {
      "api_url": "<string>",
      "api_key": "<string>",
      "model": "<string>"
    }
  },
  "text_to_speech": {
    "provider": "<string>",
    "watson_tts_config": {
      "api_url": "<string>",
      "api_key": "<string>",
      "voice": "<string>",
      "rate_percentage": 123,
      "pitch_percentage": 123,
      "language": "<string>"
    }
  },
  "voice_configuration_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "tenant_id": "<string>",
  "attached_agents": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "display_name": "<string>"
    }
  ]
}