I have a JSON data in blow format

[
  {
    "timeSheetDailyActivityId": 0,
    "Time In": "12:42"
  },
  {
    "timeSheetDailyActivityId": 1,
    "Time Out": "21:45"
  },
  {
    "timeSheetDailyActivityId": 2,
    "Time In": "21:44"
  },
  {
    "timeSheetDailyActivityId": 3,
    "Time Out": "21:46"
  },
  {
    "timeSheetDailyActivityId": 4,
    "Break In": "23:42"
  },
  {
    "timeSheetDailyActivityId": 5,
    "Break Out": "21:42"
  }
]

i want to convert it to this remove empty cell.

[
  {
    "timeSheetDailyActivityId": 0,
    "Time In": "12:42",
    "Time Out": "21:45",
    "Break In": "23:42",
    "Break Out": "21:42"
  },
  {
    "timeSheetDailyActivityId": 0,
    "Time In": "21:44",
    "Time Out": "21:46",
    "Break In": "",
    "Break Out": ""
  },
  {}
]

i want result like this.

Please anybody here to help me i am stuck from last 2 year . i try much but failed or finally post here