{
  "node": [
    {
      "sequence": "CAAATAAG",
      "id": 1
    },
    {
      "sequence": "GATTACA",
      "id": 2
    },
    {
      "sequence": "A",
      "id": 3
    }
  ],
  "edge": [
    {
      "from": 1,
      "to": 2,
      "to_end": true
    },
    {
      "from": 2,
      "to": 3,
      "from_start": true
    }
  ]
}
