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Deserialize a json string to an object in python

I have the following string

{"action":"print","method":"onData","data":"Madan Mohan"}

I Want to deserialize to a object of class

class payload
    string action
    string method
    string data

I am using python 2.6 and 2.7

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>>> j = '{"action": "print", "method": "onData", "data": "Madan Mohan"}'
>>> import json
>>> 
>>> class Payload(object):
...     def __init__(self, j):
...         self.__dict__ = json.loads(j)
... 
>>> p = Payload(j)
>>>
>>> p.action
'print'
>>> p.method
'onData'
>>> p.data
'Madan Mohan'

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