curl --request POST \
  --url https://api.copper.co/platform/reports/stake/orders \
  --header 'Content-Type: application/json' \
  --data '{
  "portfolioIds": "portfolioId1,portfolioId2",
  "portfolioTypes": "custody,external",
  "reportType": "rewards",
  "terminatedAtFrom": "<string>",
  "terminatedAtTo": "<string>"
}'

{}