Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDTkLDyC0jSs/op3OwUviY63GRaEI5Fho3yvq9WGytlKQGpPt6bctSm5XkZ… (1,748 chars)"
  }
}