{
  "name": "Complex Remote and Subgraph Test",
  "nodes": [
    {
      "id": "main_input",
      "class_id": "InputTraceNode",
      "params": {
        "main_text": { "mode": "context", "value": "inputs.main_text" },
        "main_num": { "mode": "context", "value": "inputs.main_num" }
      }
    },
    {
      "id": "remote_text_processor",
      "class_id": "remote.process_text"
    },
    {
      "id": "sub_graph_node",
      "class_id": "core.Graph",
      "data": {
        "name": "My SubGraph",
        "nodes": [
          {
            "id": "sub_input",
            "class_id": "InputTraceNode",
            "params": {
              "sub_in_1": { "mode": "context", "value": "inputs.sub_in_1" },
              "sub_in_2": { "mode": "context", "value": "inputs.sub_in_2" }
            }
          },
          {
            "id": "local_add",
            "class_id": "math.add"
          },
          {
            "id": "remote_ratio_calculator",
            "class_id": "remote.calculate_ratio",
            "params": {
                "denominator": { "mode": "static", "value": 10.0 }
            }
          },
          {
            "id": "sub_output",
            "class_id": "OutputTraceNode"
          }
        ],
        "edges": [
          {
            "source_id": "sub_input", "source_port": "sub_in_1",
            "target_id": "local_add", "target_port": "a"
          },
          {
            "source_id": "sub_input", "source_port": "sub_in_2",
            "target_id": "local_add", "target_port": "b"
          },
          {
            "source_id": "local_add", "source_port": "c",
            "target_id": "remote_ratio_calculator", "target_port": "numerator"
          },
          {
            "source_id": "remote_ratio_calculator", "source_port": "ratio",
            "target_id": "sub_output", "target_port": "sub_ratio"
          }
        ],
        "interface": {
          "inputs": { "sub_in_1": "integer", "sub_in_2": "integer" },
          "outputs": { "sub_ratio": "float" }
        }
      }
    },
    {
      "id": "main_output",
      "class_id": "OutputTraceNode"
    }
  ],
  "edges": [
    {
      "source_id": "main_input", "source_port": "main_text",
      "target_id": "remote_text_processor", "target_port": "text_in"
    },
    {
      "source_id": "remote_text_processor", "source_port": "length",
      "target_id": "sub_graph_node", "target_port": "sub_in_1"
    },
    {
      "source_id": "main_input", "source_port": "main_num",
      "target_id": "sub_graph_node", "target_port": "sub_in_2"
    },
    {
      "source_id": "sub_graph_node", "source_port": "sub_ratio",
      "target_id": "main_output", "target_port": "final_ratio"
    }
  ],
  "interface": {
    "inputs": {
      "main_text": "string",
      "main_num": "integer"
    },
    "outputs": {
      "final_ratio": "float"
    }
  }
}