Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFAYzxeW4d1QJkn/qZIay9PiWagefgL5wVeKVqbZlEUJl2bSmspPUbr3c7x… (844 chars)"
  }
}