curl --request GET \
  --url https://api.broker.com/user/balance \
  --header 'Authorization: <authorization>' \
  --header 'x-api-key: <x-api-key>'

"{\n    \"balance\": [\n            \"security\": [\n            \"opening_balance:,\n            \"used_margin\",\n            \"available_margin\",\n            \"closing_balance\"\n            ],            \n            [\n            10,\n            2,\n            100,\n            120\n            ],\n            \n            [\n            \"commodity\": [\n            \"opening_balance:,\n            \"used_margin\",\n            \"available_margin\",\n            \"closing_balance\"\n            ],            \n            [\n            10,\n            2,\n            100,\n            120\n            ]      \n}"