Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG5kXmVoBjQCELQs8axNNOi9NksidvMd6gA4awOZYk4Qx47+jJwG3YCKZKf… (844 chars)"
  }
}