src/workstation/config/channel_package_map.json

{
    "content": [
        {
            "channel": "beta",
            "package": "fuchsia-pkg://b5cvjayvpm75pukjav4d4hurk.fuchsia-updates.googleusercontent.com/update"
        },
        {
            "channel": "stable",
            "package": "fuchsia-pkg://4x15snlqjzlsgunidd0q1hj8n.fuchsia-updates.googleusercontent.com/update"
        }
    ],
    "version": "1"
}