message: Remove hex values from json
  since the JSON spec doesn't actually support hex.
diff: @@ -74,7 +74,7 @@ sequenceDiagram
  "Id": 1,
  "DeviceIndex": 0,
  "Endpoint": "tx",
  - "Data": [0x0, 0x1, 0x0],
  + "Data": [0, 1, 0],
  "WriteWithResponse": false
  }
  }
  @@ -154,7 +154,7 @@ endpoint.
  "Id": 1,
  "DeviceIndex": 0,
  "Endpoint": "rx",
  - "Data": [0x0, 0x1, 0x0]
  + "Data": [0, 1, 0]
  }
  }
  ]
  