{
  "$mulmocast": {
    "version": "1.0",
    "credit": "closing"
  },
  "speechParams": {
    "speakers": {
      "otan": {
        "provider": "elevenlabs",
        "voiceId": "21m00Tcm4TlvDq8ikWAM",
        "speechOptions": {
          "speed": 0.8,
          "stability": 0.6,
          "similarity_boost": 0.8
        }
      }
    }
  },
  "beats": [
    {
      "id": "otan",
      "speaker": "otan",
      "text": "こんにちは, 良い天気です",
      "image": {
        "type": "markdown",
        "markdown": ["# Voice is otan"]
      }
    }
  ]
}