curl --location --request POST 'https://connect.challonge.com/oauth/authorize_device?client_id=undefined&scope=me%20tournaments%3Aread%20matches%3Aread%20participants%3Aread'{
"device_code": "2H9SCPn_ahg-YVEjsX8NAyxQNXl8xBDEpYMIvnDFmsM",
"user_code": "FQFREU",
"verification_uri": "https://auth.challonge.com/oauth/device",
"verification_uri_complete": "https://auth.challonge.com/oauth/device?user_code=FQFREU",
"expires_in": 300,
"interval": 2
}