Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF+ZlS+uvksF13aH5oKxkc/I73M7coY6IE4DexZ7p/RpGixPXFWDCDzM4xc… (1,748 chars)"
  }
}