curl --request GET \
  --url https://api.bluumfinance.com/v1/cash-sweep/tiers \
  --header 'Authorization: Basic <encoded-value>'

{
  "object": "list",
  "url": "<string>",
  "has_more": true,
  "data": [
    {
      "id": "<string>",
      "currency": "<string>",
      "name": "<string>",
      "is_default": true,
      "correspondent_rate_bps": 123,
      "account_rate_bps": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "details": {
        "total_accounts": 123,
        "total_balance": "<string>",
        "as_of": "<string>"
      }
    }
  ]
}