Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFU/RUSEXEMDQDym58CArPEKCVwGirvWkqeWPAKzLXZUXQn4Ky0Y/mCcZDz… (844 chars)"
  }
}