Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA7jz7Z4DLHLRKIXCzn1oQRKx+3fXaXVKAswQoiU8g4dVc82zGMl0Nm1R72… (844 chars)"
  }
}