curl --request GET \
  --url https://backend.swap.coffee/v2/staking/{master_address}/{address}/balances \
  --header 'x-verify: <x-verify>'

[
  {
    "asset_address": "EQDY6PMeMbQSz7dltNN4RRTIxyuBJX4dQESOy8cWR2tUgBxH",
    "asset_amount_raw": 123,
    "asset_amount_usd": 123
  }
]