Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCXfHC4YUhWXWaBDaS7LZgtkXwyUGwmRa13m3rN8mctSAATf0s0da8j6c3K… (1,748 chars)"
  }
}