Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDV3w75yTOlB3MVHZD0Q6/UIBB/KRZWrqEjuiKMf6bFS2g8yiBBV1ZhBdDy… (844 chars)"
  }
}