{
  "nodes": [
    {
      "id": "node_1",
      "type": "bbands",
      "params": {
        "period": 20
      }
    },
    {
      "id": "src",
      "type": "market_data_source",
      "params": {},
      "timeframe": "15min"
    },
    {
      "id": "width",
      "type": "bband_width",
      "params": {}
    }
  ],
  "edges": [
    {
      "source": "node_1",
      "source_handle": "bbands_lower",
      "target": "width",
      "target_handle": "bbands_lower"
    },
    {
      "source": "node_1",
      "source_handle": "bbands_middle",
      "target": "width",
      "target_handle": "bbands_middle"
    },
    {
      "source": "node_1",
      "source_handle": "bbands_upper",
      "target": "width",
      "target_handle": "bbands_upper"
    },
    {
      "source": "src",
      "source_handle": "c",
      "target": "node_1",
      "target_handle": "SLOT"
    }
  ]
}
