刷新已过期的访问令牌

curl -X POST https://transactional-graph.staging.fluzapp.com/api/v1/graphql \
  -H "Authorization: Basic <YOUR_SANDBOX_API_KEY>" \
  -H "Content-Type: application/json" \
  -d '{
    "query": "mutation refreshUserAccessToken($refreshToken: String!) { refreshUserAccessToken(refreshToken: $refreshToken) { token refreshToken scopes } }",
    "variables": {
      "refreshToken": "<YOUR_REFRESH_TOKEN>"
    }
  }'

{
  "data": {
    "refreshUserAccessToken": {
      "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
      "refreshToken": "0cb671d0b1aaa727c96874270cd15c2f",
      "scopes": ["LIST_PURCHASES", ...]
    }
  }
}