chromium/chrome/test/data/extensions/platform_apps/ephemeral_apps/messaging_receiver/manifest.json

{
  "name": "Ephemeral Apps Messaging - Receiver",
  "version": "1.0",
  "manifest_version": 2,
  "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDyBCSykn0spD/xVTRweiDaEHMfqcP1VaZi/M1g5Dr3PRf718dCThQkn1STseF8IMHTbNfH91Lynumk5oBgo7TerBP7PXUmH76yyL02lR/z/XKTHq9xvl2g2YZ75uxa9H2Xp5l9PiCr6oQgQx+BU4DyV77u/cx66x3YVeRoamPPzQIDAQAB",
  "app": {
    "background": {
      "scripts": ["main.js"]
    }
  }
}