json used for testing on Local:
{"assignmentId":"1b32d194ef2a4f10afe298db6c267585","assignmentType":"LTIADVANTAGE","userAssignmentId":"aaaa91a7ac2b9ac4c4d888a97d3c04d704c","itemType":"TEST","classId":"8E0025448ED019ABE0532302140AA0C4","studentId":"ffffffff5d31252af63bbf199c30b65f","latestUserAssignmentData":{"userAssignmentId":"f378f599e05c44f4b75be70eabaa413d","createDate":1568997324574,"score":99.0,"correctAnswers":0,"totalQuestions":100,"completionStatus":"COMPLETED","totalTime":0.0,"successStatus":"UNKNOWN","scoreSource":"AUTOMATIC","needsManualScoring":false,"manualScore":false,"scoreSent":true}}'

JSON on Nighlty
{\"assignmentId\":\"a88e9e9a3e2447feb62e397f479caa84\",\"assignmentType\":\"LTIADVANTAGE\",\"userAssignmentId\":\"9cb5012adb1e4df09dc5970a197903d8\",\"itemType\":\"TEST\",\"classId\":\"d54efcaa6f8f4d21a648107dcc61264d\",\"studentId\":\"ffffffff5e3b17eceb1e4a002981456e\",\"latestUserAssignmentData\":{\"userAssignmentId\":\"9cb5012adb1e4df09dc5970a197903d8\",\"createDate\":1582584183742,\"score\":0.0,\"correctAnswers\":0,\"totalQuestions\":100,\"completionStatus\":\"COMPLETED\",\"totalTime\":0.0,\"successStatus\":\"UNKNOWN\",\"scoreSource\":\"AUTOMATIC\",\"scoreSent\":true,\"manualScore\":false,\"needsManualScoring\":false}}"