curl --request POST \
  --url https://api.upon-ai.com/api/conversation-flows \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "workspaceId": 123,
  "start_speaker": "<string>",
  "nodes": [
    {
      "id": "<string>",
      "type": "<string>",
      "edges": [
        {
          "id": "<string>",
          "transition_condition": {
            "type": "<string>",
            "prompt": "<string>"
          },
          "destination_node_id": "<string>"
        }
      ]
    }
  ],
  "global_prompt": "<string>"
}
'

{
  "conversation_flow_id": "<string>",
  "version": 123,
  "start_speaker": "<string>",
  "workspaceId": 123,
  "global_prompt": "<string>",
  "model_choice": {
    "type": "<string>",
    "model": "<string>"
  },
  "nodes": [
    {
      "id": "<string>",
      "type": "<string>",
      "instruction": {
        "type": "<string>",
        "text": "<string>"
      },
      "edges": [
        {
          "id": "<string>",
          "transition_condition": {
            "type": "<string>",
            "prompt": "<string>"
          },
          "destination_node_id": "<string>"
        }
      ]
    }
  ]
}