Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEKp6DFrhHH8L9lJdl47rLpPB2L1GcaIw8y8T9O+FZaVSgmWYkqCv9JwjGw… (844 chars)"
  }
}