Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQG6CzKuPEvV1vkaF6WFqbXqlY9oLEuR7dB9bOe6fgj/pzuBDhCx+Toe11Z4… (1,748 chars)"
  }
}