type `AuthToken`

`user_api.v1.AuthToken`

Field	Type	Description
token	string	OAuth2 RFC6749 Access Token.
token_type	string	OAuth2 token type- Default Bearer- RFC6750.
expires_in	int32	Validity time of the token in seconds.
refresh_token	string	OAuth2 RFC6749 Refresh Token.

{
  "token": "TOKEN",
  "token_type": "TOKEN_TYPE",
  "expires_in": 100,
  "refresh_token": "REFRESH_TOKEN"
}