Changes to POST Sign file

post/api/files/sign

Nov 3, 20263db1513040ea Revision changes
- breaking
  removed the success response with the status
- warning
  removed the request property
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the success response with the status