creating cutom nested object by adding key in javascript / node js

let data = [
  {
    system: { id: "4gSSbjCFEorYXqrgDIP2FA", type: "Entry", name: "Author" },
    DataDetails: {
      shortSlugOption: { "en-us": "some value", "za-op": "random value" },
      mediaFileAssetLink: { "en-us": "some file", "za-op": "file Linl" },
      mediaFileAssetGalary: { hi: "file link 2" },
      singleMediaImage: { hi: "file link single", "en-us": "english link" },
    },
  },
  {
    system: { id: "1aBOO8tu3lUsjtICuIbUM5", type: "Entry", name: "Author" },
    DataDetails: {
      short: { "en-us": "details of shorts", "za-op": "short details" },
      shortSlugOption: { "hi-In": "options" },
      booleanField: { "hi-In": "true" },
    },
  },
  {
    system: { id: "2pOUGnI1oRD7nsrYs600HA", type: "Entry", name: "testing" },
    DataDetails: { testingNewValue: { "en-us": "details value" } },
  },
  {
    system: { id: "66rzYr2BpWL1VTBHdLTdSW", type: "Entry", name: "new" },
    DataDetails: {
      oneReference: { hi: "values 1" },
      multiReference: { "hi-In": "values 2" },
    },
  },
  {
    system: { id: "cIb5mqEBRWDD6hrNmFmFE", type: "Entry", name: "new" },
    DataDetails: { testingNewValue: { "hi-IN": "jksdsdo" } },
  },
  {
    system: { id: "7kRzyt4PFrX13gHcw3Z1Ko", type: "Entry", name: "testing" },
    DataDetails: { testingNewValue: { "en-us": "kknksdo" } },
  },
  {
    system: { id: "2OspeCtNK0sh2cPiuU9jIz", type: "Entry", name: "dummy" },
    DataDetails: {
      short: { "za-op": "dfvndkssa" },
      shortSlugOption: { hi: "sdocjosmdc" },
      mediaFileAssetLink: { "en-us": "jdsojocis" },
      booleanField: { "hi-In": "true" },
    },
  },
  {
    system: { id: "2eAmIIuG4xkLvatkU3RUSy", type: "Entry", name: "dummy" },
    DataDetails: {
      dummy: { "en-us": "dshcifdvk" },
      india: { "za-op": "sdci", hi: "hewd" },
    },
  },
  {
    system: { id: "7hbdS3MgfZ73TOtlu1WfXw", type: "Entry", name: "dummy" },
    DataDetails: {
      testingNewValue: { "en-us": "sdcoklsdc" },
      locationField: { hi: "sdcndkdc" },
    },
  },
];

let res = data.reduce((acc, curr) => {
  if (!acc[curr.system.name]) {
    acc[curr.system.name] = {};
  }

  let detailsObj = {};
  Object.keys(curr.DataDetails).forEach((detail) => {
    detailsObj[detail] = Object.values(curr.DataDetails[detail])[0];
  });

  acc[curr.system.name][curr.system.id] = {
    ...detailsObj,
  };
  return acc;
}, {});

console.log(res);

I am storing my data in JSON file but by doing some modification in my current object.

data I want to store in JSON is like in this way

Like Data present

1. Author
2. en-us/zo-ap / other key which are available in obj
3. 4gSSbjCFEorYXqrgDIP2FA/ 1aBOO8tu3lUsjtICuIbUM5
4. then the remaining json object

{
    "Author": {
        "en-us": {
            "4gSSbjCFEorYXqrgDIP2FA": {
                "shortSlugOption": "some value",
                    "mediaFileAssetLink": "some file",
                  "singleMediaImage": "english link"
            },
            "1aBOO8tu3lUsjtICuIbUM5": {
                "short":"details of shorts"
            }
        },
        "za-op": {
            "4gSSbjCFEorYXqrgDIP2FA": {
                "shortSlugOption": "random value",
               "mediaFileAssetLink":"file Linl", 
            },
            "1aBOO8tu3lUsjtICuIbUM5": {
                "short":"short details",
            }
        },
        "hi": {
            "4gSSbjCFEorYXqrgDIP2FA": {
                "mediaFileAssetGalary": "file link 2",
                  "singleMediaImage":"file link single"
            }
        },
        "hi-In": {
            "1aBOO8tu3lUsjtICuIbUM5": {
                "shortSlugOption": "options",
                    "booleanField":true
            }
        }
    },
    "dummy": {
        "en-us": {
            "2OspeCtNK0sh2cPiuU9jIz": {                
                "mediaFileAssetLink":"jdsojocis",
            },
            "2eAmIIuG4xkLvatkU3RUSy": {
             "dummy": "dshcifdvk"
            }
            "7hbdS3MgfZ73TOtlu1WfXw": {
                "testingNewValue":"sdcoklsdc"
            }
        },
        "za-op": {
            "2OspeCtNK0sh2cPiuU9jIz": {                
                "short":"dfvndkssa",  
            },
            "2eAmIIuG4xkLvatkU3RUSy": {
                "india":"sdci"
            }
        },
        "hi": {
            "2OspeCtNK0sh2cPiuU9jIz": {
                "shortSlugOption":"sdocjosmdc"
            },
            "2eAmIIuG4xkLvatkU3RUSy": {
                "india":"hewd"
            }
        }
        "hi-In": {
            "2OspeCtNK0sh2cPiuU9jIz": {                
                "booleanField":"true"
            },
            "7hbdS3MgfZ73TOtlu1WfXw": {
                "locationField":"sdcndkdc"
            }
        }
    },
    "new": {
        "hi": {
            "66rzYr2BpWL1VTBHdLTdSW": {
                "oneReference":"values 1"
            }
        },
        "hi-In": {
            "66rzYr2BpWL1VTBHdLTdSW": {
                "multiReference":  "values 2" ,
            },
            "hi-IN": {
                "cIb5mqEBRWDD6hrNmFmFE": {
                    "testingNewValue":"jksdsdo"
                }
        }
        }
    }.
    "testing": {
        "en-us": {
            "2pOUGnI1oRD7nsrYs600HA": {
                "testingNewValue":"details value"
            },
            "7kRzyt4PFrX13gHcw3Z1Ko": {
                "testingNewValue":"kknksdo" 
            }
        },
    }
}

As in above code the en-us hi hi-In hi-IN zo-ap or any other key are getting removed

but I want to create a nested json object by this name or any other name which are present inside json