[bug] fireblocks_sdk issue error when CSR with ed25519 is used for API key

[kmn]

Previously it worked , but CSR with ed25519 got error.

//ng
% fireblocks-cli profile debug 
❌ Error accessing Fireblocks API: Got an error from fireblocks server: { "message": "ok", "code": 0}

//ok
% fireblocks-cli profile debug 
Vault info: {'id': '1', 'name': '***', 'hiddenOnUI': False, 'autoFuel': False, 'assets': []}