// sample of array
def First = [
  "PROD": [
    "service1: [
      "key1": "value1",
      "key2": "value2"
    ],
    "service2: [
      "key1": "value1",
      "key2": "value2"
    ]
  ],
  "DEV": [
    "service1: [
      "key1": "value1",
      "key2": "value2"
    ],
    "service2: [
      "key1": "value1",
      "key2": "value2"
    ]
  ]
]