Migrating APP and users, obtaining the user's transfer_sub, an exception occurred: {"error":"invalid_request"} `POST /auth/usermigrationinfo HTTP/1.1 Host: appleid.apple.com Content-Type: application/x-www-form-urlencoded Authorization: Bearer {access_token} sub={sub}&target={recipient_team_id}&client_id={client_id}&client_secret={client_secret} The specific request is as follows: 15:56:20.858 AppleService - --> POST https://appleid.apple.com/auth/usermigrationinfo 15:56:20.858 AppleService - Content-Type: application/x-www-form-urlencoded 15:56:20.858 AppleService - Content-Length: 395 15:56:20.858 AppleService - Authorization: Bearer a56a8828048af48c0871e73b55d8910aa.0.rzvs.96uUcy1KBqo34Kj8qrPb4w 15:56:20.858 AppleService - 15:56:20.858 AppleService - sub=001315.1535dbadc15b472987acdf634719a06a.0600&target=WLN67KBBV8&client_id=com.hawatalk.live&client_secret=eyJraWQiOiIzODg5U1ZXNDM5IiwiYWxnIjoiRVMyNTYifQ.eyJpc3MiOiJRMzlUU1BHMjk3IiwiaWF0IjoxNzU1MDcxNzc5LCJleHAiOjE3NTUwNzUzNzksImF1ZCI6Imh0dHBzOi8vYXBwbGVpZC5hcHBsZS5jb20iLCJzdWIiOiJjb20uaGF3YXRhbGsubGl2ZSJ9.8i9RYIcepuIiEqOMu1OOAlmmjnB84AJueel21gNapiNa9pr3498Zkj8J5MUIzvvnvsvUJkKQjp_VvnsG_IIrTA 15:56:20.859 AppleService - --> END POST (395-byte body) 15:56:21.675 AppleService - <-- 400 Bad Request https://appleid.apple.com/auth/usermigrationinfo(816ms) 15:56:21.675 AppleService - Server: Apple 15:56:21.675 AppleService - Date: Wed, 13 Aug 2025 07:56:22 GMT 15:56:21.675 AppleService - Content-Type: application/json;charset=UTF-8 15:56:21.675 AppleService - Content-Length: 27 15:56:21.675 AppleService - Connection: keep-alive 15:56:21.675 AppleService - Pragma: no-cache 15:56:21.675 AppleService - Cache-Control: no-store 15:56:21.676 AppleService - 15:56:21.676 AppleService - {"error":"invalid_request"} 15:56:21.676 AppleService - <-- END HTTP (27-byte body) ` Current Team ID: Q39TSPG297 Recipient Team ID: WLN67KBBV8 CLIENT_ID: com.hawatalk.live