curl --request POST \
  --url https://api.coinbase.com/api/v3/brokerage/portfolios/move_funds \
  --header 'Content-Type: application/json' \
  --data '{
  "funds": {
    "value": "<string>",
    "currency": "<string>"
  },
  "source_portfolio_uuid": "8bfc20d7-f7c6-4422-bf07-8243ca4169fe",
  "target_portfolio_uuid": "8bfc20d7-f7c6-4422-bf07-8243ca4169fe"
}'

{
  "source_portfolio_uuid": "8bfc20d7-f7c6-4422-bf07-8243ca4169fe",
  "target_portfolio_uuid": "8bfc20d7-f7c6-4422-bf07-8243ca4169fe"
}