Updating implementation

Author: vladbagmet

CHANGELOG.md

@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+- For stream events data field can be None, not empty object.
 
 
 ## [1.11.2] - 2024-01-05

src/corva/models/stream/raw.py

@@ -19,7 +19,7 @@ class RawBaseRecord(CorvaBaseEvent, abc.ABC):
     company_id: int
     collection: str
 
-    data: dict = {}
+    data: Optional[dict] = {}
     metadata: dict = {}
 
     @property

src/corva/models/stream/stream.py

@@ -16,7 +16,7 @@ class StreamTimeRecord(CorvaBaseEvent):
     """
 
     timestamp: int
-    data: dict = {}
+    data: Optional[dict] = {}
     metadata: dict = {}