"""Serialize."""

import base64
import json

product_event_msg = {
    'operation': {
        "type": "create",
        "timestamp": 1699808728201.2322,
        'context': ""
    },
    "payload": {
        "review_queue_id": 20735,
        "product_id": 4476017,
        "user_id": "abc-123",
        "review_note": None
    }
}
sample_str = json.dumps(product_event_msg)
sample_string_bytes = sample_str.encode("ascii")
output = base64.b64encode(sample_string_bytes)
print(output)