current response
88lTNxAqwvpWYpKEk9AagS87ko1dNxblhZUGB/sC1lKnM3SEXqRRmfRF86Ijc3s8D+yUs5kZziKZkoFsdFE5+b45AiI5jqdHMgv8UfgHsQzoWgQHEWYEWHXPGH8K5ETTOdBntUiDEtC/xx9EpKNIXWSyji/XiM/8cFpLu7bPEAE=
we use retune type IActionResult
Response should be like
Expected response “88lTNxAqwvpWYpKEk9AagS87ko1dNxblhZUGB/sC1lKnM3SEXqRRmfRF86Ijc3s8D+yUs5kZziKZkoFsdFE5+b45AiI5jqdHMgv8UfgHsQzoWgQHEWYEWHXPGH8K5ETTOdBntUiDEtC/xx9EpKNIXWSyji/XiM/8cFpLu7bPEAE=”