sentry/fixtures/integrations/jira/stubs/edit_issue_assignee_payload.json

{
    "changelog": {
        "items": [{
            "to": "admin",
            "field": "assignee",
            "toString": "Jess MacQueen",
            "from": null,
            "fromString": null,
            "fieldtype": "jira",
            "fieldId": "assignee"
        }],
        "id": "10172"
    },
    "issue": {
        "fields": {
            "assignee": {
                "emailAddress": "jess@sentry.io",
                "accountId": "deadbeef123"
            }
        },
        "key": "APP-123"
    }
}