Unity Image Upscalar

Can anyone help me in DeepAI image up scalar for android and ios in unity.

source : https://deepai.org/machine-learning-model/torch-srgan

package link : https://www.nuget.org/packages/DeepAI.Client

Code(But it shows error)

 using DeepAI; // Add this line to the top of your file
 
 DeepAI_API api = new DeepAI_API(apiKey: "quickstart-QUdJIGlzIGNvbWluZy4uLi4K");
 
 StandardApiResponse resp = api.callStandardApi("torch-srgan", new {
         image = File.OpenRead("C:\\path\\to\\your\\file.jpg"),
 });
 Console.Write(api.objectAsJsonString(resp));