Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBeDq4G/NDSMqJkrtP9X13gvWs7kOn67NhB2+oZLd3GgWcPgI7Urw8ktFe/… (1,748 chars)"
  }
}