Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAO03kDM8RXmdCzH3hz5Mk4ArXMVdQyWmNhwxXz4Lbm3Ejb3nqy2+wYe5YJ… (844 chars)"
  }
}