Initialize your (JSON object from a SharePoint list) as an Array

Parse the JSON Object

Using Select - Data Operation to get values - Company, Date From, Date To and Title

Append to string variable to get

[
  {
    "Company": "Line2",
    "Date From": "2022-03-21",
    "Date To": "2022-03-29",
    "Title": "Title 2"
  },
  {
    "Company": "Test1",
    "Date From": "2022-03-30",
    "Date To": "2022-03-31",
    "Title": "Title 1"
  }
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