Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAZ3dRceGTz5xcnDa+kbrxMc0rndlvz4Q+IG8Gy0ZMc8gTXv6yAp7fxHcGz… (1,748 chars)"
  }
}