gistfile1.py

from rest_framework import serializers

stuff = {'name': 'toran', 'other_content': {'foo': 'things', 'bar': 'stuff'}}

class ExampleSerializer(serializers.Serializer):
    name = serializers.Field()
    foo = serializers.Field(source='other_content.foo')
    bar = serializers.Field(source='other_content.bar')

serializer = ExampleSerializer(stuff)
print serializer.data
# {'name': u'toran', 'foo': u'things', 'bar': u'stuff'}

Would be read-only tho'