mturk cli create-hit-type produces JSON error

mturk create-hit-type --assignment-duration-in-seconds 7200 --auto-approval-delay-in-seconds 1296000 --reward 0.00 --title "Healthy Eating Messages Study (Fast Approval)" --keywords "research, survey" --description "In this short study you will create 3 healthy eating messages using 3 different recipes that are provided." --qualification-requirements [{"QualificationTypeId":"000000000000000000L0","Comparator":"GreaterThanOrEqualTo","IntegerValues":[90],"RequiredToPreview":true},{"QualificationTypeId":"00000000000000000071","Comparator":"EqualTo","LocaleValue":["Country":"US"],"RequiredToPreview":true}] --endpoint-url --endpoint-url https://mturk-requester-sandbox.us-east-1.amazonaws.com

Error parsing parameter '--qualification-requirements': Invalid JSON:
[QualificationTypeId:000000000000000000L0,QualificationTypeId:00000000000000000071]

Could someone please help me with this? I checked the JSON on a parsing tool which gave no errors.