Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF5x7TAoTikw7imZl82/RZRv3ZsM1ZAIz9ydwADuGxpvydBgdJuJMf+aXHD… (844 chars)"
  }
}