curl --request GET \
  --url https://api.prime.coinbase.com/v1/entities/{entity_id}/margin_summaries

{
  "margin_summaries": [
    {
      "conversion_datetime": "2023-05-01T12:00:00.000Z",
      "conversion_date": "2023-05-01T00:00:00.000Z",
      "margin_summary": {
        "entity_id": "e8bbed13-fa33-41de-86d5-4335d8f08166",
        "margin_equity": "2539231.5903575355",
        "margin_requirement": "15131.725279884091",
        "excess_deficit": "2524099.865077651",
        "pm_credit_consumed": "10000",
        "tf_credit_limit": "2000000",
        "tf_credit_consumed": "20000",
        "tf_adjusted_asset_value": "40000",
        "tf_adjusted_liability_value": "40000",
        "tf_adjusted_credit_consumed": "30000",
        "tf_adjusted_equity": "30000",
        "frozen": false,
        "frozen_reason": "<string>",
        "tf_enabled": true,
        "pm_enabled": true,
        "market_rates": [
          {
            "symbol": "BTC",
            "rate": "27,123"
          }
        ],
        "asset_balances": [
          {
            "portfolio_id": "e8bbed13-fa33-41de-86d5-4335d8f08166",
            "symbol": "BTC",
            "amount": "4000",
            "notional_amount": "4000",
            "conversion_rate": "1000"
          }
        ],
        "tf_loans": [
          {
            "portfolio_id": "e8bbed13-fa33-41de-86d5-4335d8f08166",
            "symbol": "BTC",
            "amount": "10",
            "notional_amount": "250000",
            "due_date": "1000"
          }
        ],
        "pm_loans": [
          {
            "portfolio_id": "e8bbed13-fa33-41de-86d5-4335d8f08166",
            "symbol": "BTC",
            "amount": "10",
            "notional_amount": "250000",
            "due_date": "1000"
          }
        ],
        "short_collateral": [
          {
            "portfolio_id": "e8bbed13-fa33-41de-86d5-4335d8f08166",
            "symbol": "BTC",
            "amount": "10",
            "notional_amount": "250000",
            "due_date": "1000"
          }
        ],
        "gross_market_value": "<string>",
        "net_market_value": "<string>",
        "long_market_value": "<string>",
        "non_marginable_long_market_value": "<string>",
        "short_market_value": "<string>",
        "gross_leverage": "<string>",
        "net_exposure": "<string>",
        "portfolio_stress_triggered": {
          "amount": "<string>",
          "add_on_type": "MARGIN_ADD_ON_TYPE_UNSPECIFIED"
        },
        "pm_asset_info": [
          {
            "symbol": "<string>",
            "amount": "<string>",
            "price": "<string>",
            "notional_amount": "<string>",
            "asset_tier": "<string>",
            "margin_eligible": true,
            "base_margin_requirement": "<string>",
            "base_margin_requirement_notional": "<string>",
            "adv_30d": "<string>",
            "hist_5d_vol": "<string>",
            "hist_30d_vol": "<string>",
            "hist_90d_vol": "<string>",
            "volatility_addon": "<string>",
            "liquidity_addon": "<string>",
            "total_position_margin": "<string>",
            "short_nominal": "<string>",
            "long_nominal": "<string>"
          }
        ],
        "pm_credit_limit": "1000000",
        "pm_margin_limit": "200000",
        "pm_margin_consumed": "5000"
      }
    }
  ]
}