{
  "description": "Tune the device to a channel.",
  "type": "object",
  "properties": {
    "channel": {
      "type": "object",
      "description": "A channel reference",
      "properties": {
        "number": {
          "type": "string"
        },
        "callSign": {
          "type": "string"
        },
        "affiliateCallSign": {
          "type": "string"
        },
        "uri": {
          "type": "string"
        }
      },
      "title": "ChannelInfo"
    }
  },
  "additionalProperties": false
}