diff --git a/litellm/proxy/_types.py b/litellm/proxy/_types.py
index e0bdfdb649..766f1a9140 100644
--- a/litellm/proxy/_types.py
+++ b/litellm/proxy/_types.py
@@ -650,9 +650,9 @@ class GenerateRequestBase(LiteLLMPydanticObjectBase):
     allowed_cache_controls: Optional[list] = []
     config: Optional[dict] = {}
     permissions: Optional[dict] = {}
-    model_max_budget: Optional[
-        dict
-    ] = {}  # {"gpt-4": 5.0, "gpt-3.5-turbo": 5.0}, defaults to {}
+    model_max_budget: Optional[dict] = (
+        {}
+    )  # {"gpt-4": 5.0, "gpt-3.5-turbo": 5.0}, defaults to {}
 
     model_config = ConfigDict(protected_namespaces=())
     model_rpm_limit: Optional[dict] = None
@@ -908,12 +908,12 @@ class NewCustomerRequest(BudgetNewRequest):
     alias: Optional[str] = None  # human-friendly alias
     blocked: bool = False  # allow/disallow requests for this end-user
     budget_id: Optional[str] = None  # give either a budget_id or max_budget
-    allowed_model_region: Optional[
-        AllowedModelRegion
-    ] = None  # require all user requests to use models in this specific region
-    default_model: Optional[
-        str
-    ] = None  # if no equivalent model in allowed region - default all requests to this model
+    allowed_model_region: Optional[AllowedModelRegion] = (
+        None  # require all user requests to use models in this specific region
+    )
+    default_model: Optional[str] = (
+        None  # if no equivalent model in allowed region - default all requests to this model
+    )
 
     @model_validator(mode="before")
     @classmethod
@@ -935,12 +935,12 @@ class UpdateCustomerRequest(LiteLLMPydanticObjectBase):
     blocked: bool = False  # allow/disallow requests for this end-user
     max_budget: Optional[float] = None
     budget_id: Optional[str] = None  # give either a budget_id or max_budget
-    allowed_model_region: Optional[
-        AllowedModelRegion
-    ] = None  # require all user requests to use models in this specific region
-    default_model: Optional[
-        str
-    ] = None  # if no equivalent model in allowed region - default all requests to this model
+    allowed_model_region: Optional[AllowedModelRegion] = (
+        None  # require all user requests to use models in this specific region
+    )
+    default_model: Optional[str] = (
+        None  # if no equivalent model in allowed region - default all requests to this model
+    )
 
 
 class DeleteCustomerRequest(LiteLLMPydanticObjectBase):
@@ -1076,9 +1076,9 @@ class BlockKeyRequest(LiteLLMPydanticObjectBase):
 
 class AddTeamCallback(LiteLLMPydanticObjectBase):
     callback_name: str
-    callback_type: Optional[
-        Literal["success", "failure", "success_and_failure"]
-    ] = "success_and_failure"
+    callback_type: Optional[Literal["success", "failure", "success_and_failure"]] = (
+        "success_and_failure"
+    )
     callback_vars: Dict[str, str]
 
     @model_validator(mode="before")
@@ -1335,9 +1335,9 @@ class ConfigList(LiteLLMPydanticObjectBase):
     stored_in_db: Optional[bool]
     field_default_value: Any
     premium_field: bool = False
-    nested_fields: Optional[
-        List[FieldDetail]
-    ] = None  # For nested dictionary or Pydantic fields
+    nested_fields: Optional[List[FieldDetail]] = (
+        None  # For nested dictionary or Pydantic fields
+    )
 
 
 class ConfigGeneralSettings(LiteLLMPydanticObjectBase):
@@ -1604,9 +1604,9 @@ class LiteLLM_OrganizationMembershipTable(LiteLLMPydanticObjectBase):
     budget_id: Optional[str] = None
     created_at: datetime
     updated_at: datetime
-    user: Optional[
-        Any
-    ] = None  # You might want to replace 'Any' with a more specific type if available
+    user: Optional[Any] = (
+        None  # You might want to replace 'Any' with a more specific type if available
+    )
     litellm_budget_table: Optional[LiteLLM_BudgetTable] = None
 
     model_config = ConfigDict(protected_namespaces=())
@@ -1671,6 +1671,8 @@ class LiteLLM_UserTable(LiteLLMPydanticObjectBase):
     budget_duration: Optional[str] = None
     budget_reset_at: Optional[datetime] = None
     metadata: Optional[dict] = None
+    created_at: Optional[datetime] = None
+    updated_at: Optional[datetime] = None
 
     @model_validator(mode="before")
     @classmethod
@@ -2352,9 +2354,9 @@ class TeamModelDeleteRequest(BaseModel):
 # Organization Member Requests
 class OrganizationMemberAddRequest(OrgMemberAddRequest):
     organization_id: str
-    max_budget_in_organization: Optional[
-        float
-    ] = None  # Users max budget within the organization
+    max_budget_in_organization: Optional[float] = (
+        None  # Users max budget within the organization
+    )
 
 
 class OrganizationMemberDeleteRequest(MemberDeleteRequest):
@@ -2543,9 +2545,9 @@ class ProviderBudgetResponse(LiteLLMPydanticObjectBase):
     Maps provider names to their budget configs.
     """
 
-    providers: Dict[
-        str, ProviderBudgetResponseObject
-    ] = {}  # Dictionary mapping provider names to their budget configurations
+    providers: Dict[str, ProviderBudgetResponseObject] = (
+        {}
+    )  # Dictionary mapping provider names to their budget configurations
 
 
 class ProxyStateVariables(TypedDict):
@@ -2673,9 +2675,9 @@ class LiteLLM_JWTAuth(LiteLLMPydanticObjectBase):
     enforce_rbac: bool = False
     roles_jwt_field: Optional[str] = None  # v2 on role mappings
     role_mappings: Optional[List[RoleMapping]] = None
-    object_id_jwt_field: Optional[
-        str
-    ] = None  # can be either user / team, inferred from the role mapping
+    object_id_jwt_field: Optional[str] = (
+        None  # can be either user / team, inferred from the role mapping
+    )
     scope_mappings: Optional[List[ScopeMapping]] = None
     enforce_scope_based_access: bool = False
     enforce_team_based_model_access: bool = False