When I hit the following url:

https://mysitename.nationbuilder.com/api/v1/sites/mysitename/pages/blog/attachments?access_token=mytoken

with the data:

{"attachment":{"filename":"flower-tiny.jpg","content_type":"image/jpeg","content":"/9j/4AAQSkZJRgABAQEASABIAAD/4QBARXhpZgAATU0AKgAAAAgAAYdpAAQA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\nAxNTESdSPNBQjTpwhbTmcmm5Tle1m0t5O+tj/9k=\n","updated_at":"2014-01-03T11:19:23-06:00"}}

I get a 500 error. Any way I can get this to work?

Thanks,

Steve