f50-admin). ubus: f50.update upload_cancel.Authorization: ********************curl --location --request POST '/f50.update/upload_cancel' \
--header 'Authorization: <api-key>'ok with data, or ok: false with a code (always HTTP 200; ubus itself only fails for a session or a missing object, as JSON-RPC errors).{
"data": null,
"ok": true
}