curl --request POST \
  --url https://api.vachana.ai/api/v1/tts/voice-clone/embeddings \
  --header 'Content-Type: multipart/form-data' \
  --header 'X-API-Key-ID: <x-api-key-id>' \
  --form audio_file='@example-file'

{
  "success": true,
  "message": "Voice embeddings generated successfully",
  "data": {
    "voice_clone_embedding": {
      "embedding": "<string>",
      "shape": [
        1,
        768
      ],
      "dtype": "torch.bfloat16"
    }
  }
}