diff --git a/core/models/pydantic_models/HysteriaData.py b/core/models/pydantic_models/HysteriaData.py
index f686bd1..e860c18 100644
--- a/core/models/pydantic_models/HysteriaData.py
+++ b/core/models/pydantic_models/HysteriaData.py
@@ -15,7 +15,7 @@ class HysteriaData(BaseModel):
     hysteria2_host: str
     server_ip: IPv4Address
     location_country_code: str
-    location_city_code: int
+    location_city_code: str
     operator_id: int
     # operator_name: str = None
     operator_domain: str = None
diff --git a/core/services/networking/systemwide/encrypted_proxy/configure_singbox.py b/core/services/networking/systemwide/encrypted_proxy/configure_singbox.py
index d531a8d..771d051 100644
--- a/core/services/networking/systemwide/encrypted_proxy/configure_singbox.py
+++ b/core/services/networking/systemwide/encrypted_proxy/configure_singbox.py
@@ -52,6 +52,7 @@ def configure_singbox(
     ###################################
     # SEND TO THE API
     ###################################
+    logger.info("getting config..")
     config_results = post_operator_proxy(
         billing_code=profile.subscription.billing_code,
         protocol=protocol,
@@ -62,6 +63,8 @@ def configure_singbox(
     if not config_results:
         return Result(valid=False, error_type=ResultError.INVALID_API_REPLY, message="Server-side API issue.")
 
+    print(f"config_results is {config_results}")
+
     ###################################
     # (SERVER CHOICES) PREP RAW DATA (PYDANTIC MODEL)
     ###################################
diff --git a/core/services/subscriptions/subscriptions_by_protocol.py b/core/services/subscriptions/subscriptions_by_protocol.py
index 524a0db..85d7283 100644
--- a/core/services/subscriptions/subscriptions_by_protocol.py
+++ b/core/services/subscriptions/subscriptions_by_protocol.py
@@ -76,6 +76,9 @@ def create_invoice(
         payload=submit_data,
     )
 
+    print(f"api_response is {api_response.valid}")
+    print(f"api_response is {api_response.error_type}")
+
     # Layer 1: API failure:
     if not api_response.valid:
         error_msg = f"API Error: {api_response.error_type} {api_response.message}"
@@ -84,7 +87,7 @@ def create_invoice(
 
     # Layer 2: Server's Reply:
     raw_reply = api_response.data
-    print("validating the server reply.")
+    print(f"validating the server reply of {raw_reply}.")
     server_reply = validate_model(ServerReply, raw_reply)
 
     if not server_reply: