curl --request POST \
  --url https://sandbox.hurdlr.com/rest/v5/accountant/userToken \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data userId=

{
  "access_token": "00f6b2b68eb9459eab681d19aa86c6154e225068f3074d1d9b639316d5380a4c.91d620872c3b438ba33f4baaca124624",
  "expires_in": 7776000,
  "created_at": 1599065168,
  "scope": "token"
}