Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEVfE+Z1moES1s6IGOjqkXGlWHy/MlLvowCfpRzN5kZaGb6qDUKyUu5KONi… (844 chars)"
  }
}