{'default': '<enter your message here>', 'email':
    '<enter your message here>', 'sqs': '<enter your message here>', 'http':
    '<enter your message here>', 'https': '<enter your message here>',
    'sms': '<enter your message here>', 'APNS':
    '{"aps":{"alert": "<message>","sound":"default"} }', 'GCM':
    '{ "data": { "message": "<message>" } }', 'ADM':
    '{ "data": { "message": "<message>" } }'}
Format APNS-style JSON message in Python for use with Amazon SNS