{
  "flow": {
    "chain": [
      {
        "name": "chain3",
        "value": "THEN(e,d)"
      },
      {
        "name": "chain2",
        "value": "THEN(b, a, chain3)"
      },
      {
        "name": "chain1",
        "value": "THEN(a, b, c, chain2)"
      },
      {
        "name": "c",
        "value": "THEN(d, e)"
      }
    ]
  }
}