Get account summaries (main account + authorized accounts)

Example response

{
  "results": [
    {
      "account": "0x495d2eb5236a12b8b4ad7d3849ce6a203ce21c43f473c248dfd5ce70d9454fa",
      "account_value": "136285.06918911",
      "free_collateral": "73276.47229774",
      "initial_margin_requirement": "63008.59689218",
      "maintenance_margin_requirement": "31597.25239676",
      "margin_cushion": "104687.8167956",
      "seq_no": 1681471234972000000,
      "settlement_asset": "USDC",
      "status": "ACTIVE",
      "total_collateral": "123003.62047353",
      "updated_at": 1681471234972
    }
  ]
}