Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE8Og0pB/M0lpZBM1vUMuoJhyBnZ9MtWpMLL6Wkrf5oH2naJiuyqo5I6Kvj… (844 chars)"
  }
}