example_graph.json

{
  "x": [
    [
      0.23,
      4,
      1,
      12.0
    ],
    [
      0.5,
      2,
      3,
      30.0
    ],
    [
      0.05,
      1,
      0,
      5.0
    ]
  ],
  "edge_index": [
    [
      0,
      1,
      1,
      2
    ],
    [
      1,
      2,
      0,
      0
    ]
  ]
}