Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAMzXdGVgEfQrhSu1wQBPx5l7H6dTn4cQI+6Fm61wFDByrZIjupYjBBtmw6… (844 chars)"
  }
}