curl --request POST \
  --url https://example.com/api/scan/v0/round-totals \
  --header 'Content-Type: application/json' \
  --data '
{
  "start_round": 123,
  "end_round": 123
}
'

{
  "entries": [
    {
      "closed_round": 123,
      "closed_round_effective_at": "2023-11-07T05:31:56Z",
      "app_rewards": "<string>",
      "validator_rewards": "<string>",
      "change_to_initial_amount_as_of_round_zero": "<string>",
      "change_to_holding_fees_rate": "<string>",
      "cumulative_app_rewards": "<string>",
      "cumulative_validator_rewards": "<string>",
      "cumulative_change_to_initial_amount_as_of_round_zero": "<string>",
      "cumulative_change_to_holding_fees_rate": "<string>",
      "total_amulet_balance": "<string>"
    }
  ]
}