Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA9URwke2f89YnyIu2DbrJ2bh9HjHMWkWbW23HH4sFgPFWQsmWCcwJwR0Y9… (1,748 chars)"
  }
}