The ListPresets operation gets a list of the default presets included with Elastic Transcoder and the presets that you've added in an AWS region.
The response from the ListPresets service method, as returned by ElasticTranscoder.
Assembly: AWSSDK (Module: AWSSDK) Version: 18.104.22.168 (22.214.171.124)
General authentication failure. The request was not signed correctly.
Elastic Transcoder encountered an unexpected exception while trying to fulfill the
One or more required parameter values were not provided in the request.