Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB+yADN56P/DAlGf9ecNPfkLMCISP8g7Zw7vQ0aBIgkyhI/dayf+cpUJ5zD… (1,748 chars)"
  }
}