Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDnUBDL5unVkmE36V7Krrq3iiKf7McL0dcMnKA5/SGT0XOw8rg7Dy/EQzwW… (1,748 chars)"
  }
}