Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGNtsvQC6PyU9z6s4PSSRDS9+E1V/IpAZZN1HmAmt9w7j2TgV7Ywk3PZ+Ei… (844 chars)"
  }
}