curl --request POST \
  --url https://auth.sandbox.lerian.net/v1/login/oauth/access_token \
  --header 'Content-Type: application/json' \
  --data '
{
  "grantType": "client_credentials",
  "clientId": "ed1c72d366b07b84bd21",
  "clientSecret": "81f42de0fbe038f1bfefac55328839c92e1878da"
}
'

{
  "accessToken": "eyJhbGciOiJSUzI1NiIsImtpZCI6ImNlcnQtYnVpbHQtaW4iLCJ0eXAiOiJKV1QifQ...",
  "idToken": "eyJhbGciOiJSUzI1NiIsImtpZCI6ImNlcnQtYnVpbHQtaW4iLCJ0eXAiOiJKV1QifQ...",
  "tokenType": "Bearer",
  "expiresIn": 3600,
  "refreshToken": "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9...",
  "scope": "openid profile email"
}