Implement more validation and conversion

core/models.py

@@ -91,6 +91,7 @@ class Account(models.Model):
         client = self.get_client()
         if client:
             supported_symbols = client.get_supported_assets()
+            log.debug(f"Supported symbols for {self.name}: {supported_symbols}")
             self.supported_symbols = supported_symbols
         super().save(*args, **kwargs)