Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHZ4xqlTtN4aO6wBY6Yzt5ajI+S4udRLLvIfd7iKhiDzASXJ5zOeIB0eoXA… (844 chars)"
  }
}