message: Replacing # with &#35;
diff: "properties": {
  "deviceId": {
  "type": "string",
  - "description": "The unique identifier of the device. This case-sensitive string can be up to 128 characters long, and supports ASCII 7-bit alphanumeric characters plus the following special characters: - : . + % _ # * ? ! ( ) , = @ ; $ '."
  + "description": "The unique identifier of the device. This case-sensitive string can be up to 128 characters long, and supports ASCII 7-bit alphanumeric characters plus the following special characters: - : . + % _ &#35; * ? ! ( ) , = @ ; $ '."
  },
  "hubName": {
  "type": "string",
  