[
  [
    "/subscriptions/YOUR_SUBSCRIPTION_ID/resourceGroups/YOUR_APIM_RESOURCE_GROUP/providers/Microsoft.ApiManagement/service/YOUR_APIM_NAME/backends/YOUR_BACKEND_1_ID",
    {
      "properties": {
        "type": "Single",
        "protocol": "http",
        "url": "https://YOUR_FOUNDRY_1_HOST",
        "tls": {"validateCertificateChain": true, "validateCertificateName": true},
        "circuitBreaker": {
          "rules": [{
            "name": "throttle-429",
            "failureCondition": {"count": 1, "interval": "PT1M", "statusCodeRanges": [{"min": 429, "max": 429}]},
            "tripDuration": "PT1M",
            "acceptRetryAfter": true
          }]
        },
        "description": "YOUR_OWNERSHIP_DESCRIPTION"
      }
    }
  ],
  [
    "/subscriptions/YOUR_SUBSCRIPTION_ID/resourceGroups/YOUR_APIM_RESOURCE_GROUP/providers/Microsoft.ApiManagement/service/YOUR_APIM_NAME/backends/YOUR_BACKEND_2_ID",
    {
      "properties": {
        "type": "Single",
        "protocol": "http",
        "url": "https://YOUR_FOUNDRY_2_HOST",
        "tls": {"validateCertificateChain": true, "validateCertificateName": true},
        "circuitBreaker": {
          "rules": [{
            "name": "throttle-429",
            "failureCondition": {"count": 1, "interval": "PT1M", "statusCodeRanges": [{"min": 429, "max": 429}]},
            "tripDuration": "PT1M",
            "acceptRetryAfter": true
          }]
        },
        "description": "YOUR_OWNERSHIP_DESCRIPTION"
      }
    }
  ]
]