{
  "$schema": "https://www.atsc-schemas.org/atsc3.0/a344/20230217/org.atsc.relinquish.keys-request.json",
    "jsonrpc": "2.0",
    "method": "org.atsc.relinquish.keys",
    "params": {
       "keys": ["ChannelUp", "ChannelDown"]
   },
   "id": 44
}