{
  "fields": {
    "testId": "Test's Id",
    "questionId": "Question's Id",
    "submission": "Submission",
    "submissionId": "Submission's Id",
    "choiceId": "Choice's Id",
    "choiceIds": "Choice Ids list"
  },
  "errors": {
    "alreadyTookTest": "You already took this test.",
    "choiceNumericConstraint": "You must send either choiceId, choiceIds or numericValue.",
    "emptyNumericValue": "A numeric value should be provided as answer.",
    "numericValueRange": "Numeric value is out of specified range.",
    "emptyChoiceId": "Choice Id should be provided as answer.",
    "emptyChoiceIds": "Choice Ids should be provided as answer.",
    "transitionNotFound": "No transition found for the test",
    "uniqueSubmissionQuestion": "Question's Answer already exists."
  }
}