...

Shared/DTOs/UserAuthenticationDTO.cs

@@ -8,7 +8,7 @@ namespace Shared.DTOs
         public string FullName { get; set; }
         public string Token { get; set; }
         public string Photo { get; set; }
-        public ICollection<CompanyAuthenticationDTO> Companies { get; set; } = new List<CompanyAuthenticationDTO>();
+        public CompanyAuthenticationDTO Company { get; set; } 
 
     }
 }