{
  "$schema": "https://www.atsc-schemas.org/atsc3.0/a344/20250226/org.atsc.notify-rfSignalChange.json",
    "jsonrpc": "2.0",
    "method": "org.atsc.notify",
    "params": {
        "msgType": "rfSignalChange",
        "rfChannel": 15,
        "frequency": 479000000,
        "signalQuality": "strong",
        "signalStrength": 75,
        "gainLevel": 50,
        "bootstrapLock": true,
        "alpLock": true
    }
}