Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGVcn2QS/1gVxoFw36bj5/0b9DUHzcOMSSUf7lGT1ZAeXPWdPmET1YRsXmx… (844 chars)"
  }
}