Changes to Add message signature

post/v1/chains/{chainId}/messages/{messageHash}/signatures

Sep 18, 2026d3a67b477ce8 Revision changes
- info
  added the non-success response with the status
Oct 6, 202588dde8ea255d Revision changes
- info
  added the non-success response with the status
- info
  added the non-success response with the status