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The Response is also expressed as a single JSON object, with the following members:
| property | remark |
|---|---|
| error | A Number that indicates the return code, a return code of zero means a successful operation, and non-zero means some errors occurred. This MUST be an integer. |
| message | A String providing a short description of the error. The message SHOULD be limited to a concise single sentence. |
| result | The value returned by the method. Its contents is entirely defined by the method.This member may be entirely omitted if there was an error invoking the procedure. |
When a method call fails, this value contains additional information, may be omitted. Its content is entirely defined by the application (e.g. detailed error information, nested errors etc.).
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