{
    "action": {
        "test_action": {
            "a": {}
        }
    },
    "resource": {
      "test_object": {
        "a": {
          "count": 1,
          "test_string": "new"
        },
        "b": {
          "count": 1,
          "lifecycle": {
            "replace_triggered_by": [
              "test_object.a[count.index].test_string"
            ],
            "action_trigger": {
                "events": ["before_create"],
                "actions": ["action.test_action.a"]
            }
          }
        }
      }
    }
  }