{
  "description": "1 navigation source and 1 trigger produce 1 report",
  "input": {
    "sources": [
      {
        "timestamp": "1643235573000",
        "registration_request": {
          "source_origin": "https://source.test",
          "attribution_src_url": "https://reporter.test/register-source",
          "source_type": "navigation"
        },
        "responses": [{
          "url": "https://reporter.test/register-source",
          "response": {
            "Attribution-Reporting-Register-Source": {
              "destination": "https://destination.test",
              "source_event_id": "123",
              "aggregation_keys": {
                "a": "0x159"
              }
            }
          }
        }]
      }
    ],
    "triggers": [
      {
        "timestamp": "1643235574000",
        "registration_request": {
          "attribution_src_url": "https://reporter.test/register-trigger",
          "destination_origin": "https://destination.test"
        },
        "responses": [{
          "url": "https://reporter.test/register-trigger",
          "response": {
            "Attribution-Reporting-Register-Trigger": {
              "event_trigger_data": [
                {
                  "trigger_data": "7"
                }
              ],
              "aggregatable_trigger_data": [
                {
                  "source_keys": ["a"],
                  "key_piece": "0x400"
                }
              ],
              "aggregatable_values": {
                "a": 123
              }
            }
          }
        }]
      }
    ]
  },
  "output": {
    "event_level_results": [
      {
        "payload": {
          "attribution_destination": "https://destination.test",
          "randomized_trigger_rate": 0.0024,
          "source_event_id": "123",
          "source_type": "navigation",
          "trigger_data": "7"
        },
        "report_url": "https://reporter.test/.well-known/attribution-reporting/report-event-attribution",
        "report_time": "1643408373000"
      }
    ],
    "aggregatable_results": [
      {
        "payload": {
          "attribution_destination": "https://destination.test",
          "histograms": [
            {
              "key": "0x559",
              "value": 123
            }
          ]
        },
        "report_url": "https://reporter.test/.well-known/attribution-reporting/report-aggregate-attribution",
        "report_time": "1643239174000"
      }
    ]
  }
}