Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA+w+5ZC8+wvGPZMd2WVYiJ9z5/hTp1VThjpr7OsgtsmGEyLHzGU9FkRU5d… (844 chars)"
  }
}