curl --location --request GET 'https://test.your-api-server.com/user/revenuecat?key=e51b1188cfeb9b86b3522ce8dbce641b&appUserId=123'
{
"user": "a20979bf-4530-4053-ac3b-f75231442a1f",
"token": "f4b6010e1f774c456ab00438d8a0ba4b26453498",
"expiry": "2030-01-17 00:00:00"
}