LInkedIn UGC POST primaryLandingPageUrl not working

Question

Hi Team,

am using HTTP POST https://api.linkedin.com/v2/ugcPosts

{
"author": "urn:li:person:XXXXXXXXXX",
"lifecycleState": "PUBLISHED",
"specificContent": {
"com.linkedin.ugc.ShareContent": {
"media": [],
"primaryLandingPageUrl":"https://www.abc.com",
"shareCommentary": {
"attributes": [],
"text": "https://www.xyz.com"
},
"shareMediaCategory": "NONE"
}
},
"visibility": {
"com.linkedin.ugc.MemberNetworkVisibility": "PUBLIC"
}
}

This primaryLandingPageUrl is not coming on post, it should come just like meta data of the url