"records": [
  {
    "attributes": {
      "type": "Contact",
      "url": "/services/data/v35.0/sobjects/Contact/0035g000017{{randomValue length=7 type='ALPHANUMERIC'}}"
    },
    "Id": "0035g000017{{randomValue length=7 type='ALPHANUMERIC'}}"
  },

Can we gemerate these two same random id, i want these ids to bec same and dynamic.