chromium/components/test/data/payments/henrypay.test/app.json

{
  "name": "HenryPay",
  "related_applications": [{
    "platform": "play",
    "id": "com.henrypay",
    "min_version": "1",
    "fingerprints": [{
      "type": "sha256_cert",
      "value": "74:2C:5F:7D:3E:A0:CE:D7:C9:5A:5C:07:55:FD:8C:59:9B:B0:1E:1B:F2:6E:3E:32:3F:23:AB:04:42:2A:75:E3",
      "comment": "This fingperint is SHA256 of '55555555551111111111'"
    }]
  }],
  "serviceworker": {
    "src": "app.js",
    "use_cache": false,
    "scope": "/webpay"
  }
}