Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF8MkDzgDgQfyDwZZNxpUeAdSWJMsHUvncUlLkfi3CNEB9vviFJzDQs3gAZ… (844 chars)"
  }
}