This endpoint is giving me system errors. Here's a curl example:
curl -v -X POST -H 'User-Agent: Faraday v0.9.1' -H 'Content-Type: application/json' -d '{"content":"\u003c!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\"\u003e\n\u003chtml\u003e\n \u003chead\u003e\n \u003ctitle\u003eBogus Email\u003c/title\u003e\n \u003c/head\u003e\n \u003cbody\u003e\n \u003cdiv style=\"font: 14px tahoma; width: 100%\" class=\"mktEditable\" id=\"edit_text\"\u003e\n Greetings {{lead.Full Name:default=Muggle}},\n \u003c/div\u003e\n\n \u003cdiv style=\"font: 14px tahoma; width: 100%\" class=\"mktEditable\" id=\"edit_text\"\u003e\n Youve been selected.\n \u003c/div\u003e\n\n \u003cdiv style=\"font: 14px tahoma; width: 100%\" class=\"mktEditable\" id=\"edit_text\"\u003e\n Regards,\u003cbr/\u003e\n Me\n \u003c/div\u003e\n \u003c/body\u003e\n\u003c/html\u003e"}ve been selected.\n \u003c/div\u003e\n\n \u003cdiv style=\"font: 14px tahoma; width: 100%\" class=\"mktEditable\" id=\"edit_text\"\u003e\n Regards,\u003cbr/\u003e\n Me\n \u003c/div\u003e\n \u003c/body\u003e\n\u003c/html\u003e"}' "https://851-VXS-635.mktorest.com/rest/asset/v1/emailTemplate/1075/content.json?access_token=<pretend this is a valid token>"