curl --request POST \
  --url https://{publisher-server.com}/initiate-game-auth-endpoint \
  --header 'Content-Type: application/json' \
  --header 'signature: <signature>' \
  --header 'x-publisher-token: <x-publisher-token>' \
  --data '{
  "device": "DESKTOP",
  "date": "2023-11-07T05:31:56Z"
}'

{
  "deepLink": "https://my-awesome-game/2298/bv45d674?key=549bc5151667f6216629efe46vf7bacd2812d82298",
  "accessToken": "9ac8883227afa33412197b"
}