{
  "tag": "testdag",
  "tasks": {
    "A": { "job": { "command": [ "/usr/bin/echo", "hello" ], "cores": "1", "memoryMB": "100" }, "children": [ "b", "c", "d" ]},
    "b": { "job": { "command": [ "/usr/bin/sleep", "2" ], "cores": "1", "memoryMB": "100" }, "children": [ "d" ]},
    "c": { "job": { "command": [ "/usr/bin/echo", "hello" ], "cores": "1", "memoryMB": "100" }, "children": [ "e", "f" ]},
    "d": { "job": { "command": [ "/usr/bin/echo", "hello" ], "cores": "1", "memoryMB": "100" }, "children": [ "f" ]},
    "e": { "job": { "command": [ "/usr/bin/echo", "hello" ], "cores": "1", "memoryMB": "100" }, "children": [ "f" ]},
    "f": { "job": { "command": [ "/usr/bin/echo", "hello" ], "cores": "1", "memoryMB": "100" }}
  }
}