Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQL3LsorkwqF7Dpe/2BRJP6sW4TyMHLBwHFpfCzWfs0DG33kS+F9vR4Y7xRI… (1,748 chars)"
  }
}