Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAsOtQLKmqnXp+l7S8q9i67bfqYxAclTpPBrPWF52Y5N0NZT7+aM2iF+LGf… (844 chars)"
  }
}