Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFH4UNv0kgc9SZuI/DJIwL1SwEsiXNVqBqWssHU5iNXlFXujBYS0Q/QOJfv… (844 chars)"
  }
}