Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG2+Gkw4oFLudnmaoFt7jV8kY8kOO6KpdT78Ivjuwv7lHqsOdZZdVfgAb4x… (844 chars)"
  }
}