curl --request POST \
  --url http://api/v1/user_list_links \
  --header 'Content-Type: application/ld+json' \
  --data '
{
  "userList": "https://example.com/",
  "user": "https://example.com/",
  "profileExternal": "https://example.com/"
}
'

{
  "@context": "<string>",
  "@id": "<string>",
  "@type": "<string>",
  "id": 123,
  "userList": "https://example.com/",
  "user": {
    "@context": "<string>",
    "@id": "<string>",
    "@type": "<string>",
    "id": 123,
    "email": "[email protected]",
    "fullName": "<string>",
    "logo": "<string>"
  },
  "profileExternal": {
    "@context": "<string>",
    "@id": "<string>",
    "@type": "<string>",
    "id": 123,
    "name": "<string>",
    "email": "<string>",
    "fullName": "<string>",
    "firstName": "<string>",
    "lastName": "<string>"
  }
}