{
  "flow": {
    "chain": [
      {
        "name": "chain3",
        "condition": [
          {"type": "then", "value": "e,d"}
        ]
      },
      {
        "name": "chain2",
        "condition": [
          {"type": "then", "value": "b,a"},
          {"type": "then", "value": "chain3"}
        ]
      },
      {
        "name": "chain1",
        "condition": [
          {"type": "then", "value": "a,b"},
          {"type": "then", "value": "c"},
          {"type": "then", "value": "chain2"}
        ]
      },
      {
        "name": "c",
        "condition": [
          {"type": "then", "value": "d,e"}
        ]
      }
    ]
  }
}