json output of the API

How to get json output in this structure from Looker API output.

{  “customer”=”XXX” “ProductFamily”=”TC72”}

ApplicationList {

“AppList”: [ {“AppName”: “App1”, “Appversion”:”1.0”},

                      {“AppName”: “App1”, “Appversion”:”1.1”},

                      {“AppName”: “App2”, “Appversion”:”2.1”},

      {“AppName”: “App1”, “Appversion”:”2.2”}

]

}

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