Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD9XCbVG3W3NYCfK16QkA8S3NIjeZ5HtxF7A7FCZlKLQyO1g4e2hCT+SCkJ… (1,748 chars)"
  }
}