Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEgd4xe+7D9yvZm4kQJ05eJ/hGFiOLCU1343WLfSrp2TDHQHgZ6KjUIDf5+… (844 chars)"
  }
}