curl -i -X POST "https://api.box.com/2.0/terms_of_service_user_statuses" \
     -H "authorization: Bearer <ACCESS_TOKEN>" \
     -H "content-type: application/json" \
     -d '{
       "tos": {
         "type": "terms_of_service",
         "id": "1232132"
       },
       "user": {
         "type": "user",
         "id": "3423423"
       },
       "is_accepted": true
     }'

{
  "id": "11446498",
  "type": "terms_of_service_user_status",
  "tos": {
    "id": "11446498",
    "type": "terms_of_service"
  },
  "user": {
    "id": "11446498",
    "type": "user",
    "name": "Aaron Levie",
    "login": "ceo@example.com"
  },
  "is_accepted": true,
  "created_at": "2012-12-12T10:53:43-08:00",
  "modified_at": "2012-12-12T10:53:43-08:00"
}