facebook canvas app install ad not getting published

Question

We are facing some issues while publishing Canvas App Install Ads using facebook ads api.

We are getting this error while submitting the Ad. Ad Creative has been successfully created.

Ad Specs:

{
  "adset_id":"XXXXXXXXXXX",
  "name":"e2e canvas app create @ app @ 1407",
  "bid_type":"ABSOLUTE_OCPM",
  "creative":{
    "object_id":"XXXXXXXXXXXX",
    "actor_name":"e2e canvas app create @ a",
    "body":"e2e canvas app create @ app @ 1407",
    "name":"e2e canvas app create @ app @ 1407",
    "link_url":"LINK_URL",
    "image_hash":"996e9f651b6bc8f86ee7ac83c72f0718"
  },
  "targeting":{
    "genders":["1"],
    "age_max":64,
    "age_min":13,
    "geo_locations":{"countries":["IN","CN","GB","ZA","RU"]}
  },
  "bid_info":"{
    'ACTIONS':0, 
    'REACH':1500, 
    'CLICKS':0, 
    'SOCIAL':0
  }",
  "objective":"CANVAS_APP_INSTALLS"
}

Error:

Please include a value for 'user_os' or 'user_device' in ad targeting spec.|Exception|1487504