Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG0FdRhqPcB+dDbC1FPkJQVBeDwcHBp1F5SzQFEmW9IWmWavPFnBrJQVxXo… (844 chars)"
  }
}