How to make the to be signed document automatically send from S3 to Adobe Sign
I want to make the Adobe Sign embeded with our application。
Application scenario
1. Select a file that is saved in the S3 from our app
2. Click the [Adobe Sign] button
3. Open the [Adobe Sign] login page
4. The following page is opened , the selected file has been displayed in the files area

Question:
I have tried to use the transientDocuments API to do that, but failed。
Could you please tell me how to do?
All the files that to be signed
Whe
