curl --request POST \
  --url http://localhost:3000/api/audio/{agentId}/speech/conversation \
  --header 'Content-Type: application/json' \
  --data '
{
  "messages": [
    {
      "text": "<string>",
      "speaker": "<string>",
      "timestamp": 123
    }
  ]
}
'

"<string>"