{ "type": "object", "description": "Shared attributes applied to all metrics in this data object unless overridden at the metric level", "properties": { "timestamp": { "type": "integer", "description": "Unix timestamp in milliseconds for all metrics in this batch", "example": 1718153645993 }, "interval.ms": { "type": "integer", "description": "Default measurement interval in milliseconds for count and summary metrics", "example": 100 }, "attributes": { "type": "object", "description": "Key-value pairs applied to all metrics in the batch. Values can be strings, numbers, or booleans.", "example": { "customAttribute": "example_value" } } }, "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "CommonBlock" }