Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEu8TlDdx5FryxRBnV/kklnfQdPQJ+fG1IQzCHb1YTOPlSCfEpW3hBKfzdy… (844 chars)"
  }
}