{"id":"pubsub-rest-api-data-base64-encoded","text":"Pub/Sub REST API message data must be base64-encoded.","truth_value":"IN","source":"entries/2026/03/10/pubsub-publisher.md","source_url":"","source_hash":"a526c8035db6642f","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"pubsub-rest-api-data-base64-encoded","truth_value":"IN","reason":"premise"}]}}