curl --request POST \
  --url http://localhost:4000/api/test/bars \
  --header 'Content-Type: application/json' \
  --data '{
  "symbol": "<string>",
  "bars": [
    {
      "time": 123,
      "open": 123,
      "high": 123,
      "low": 123,
      "close": 123,
      "volume": 123
    }
  ]
}'