Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBImkwYh7jdV0mT6qjau9LLgeYV0Xt7m/y1VcUqocUsEHc1nX6hnlYpbWXx… (844 chars)"
  }
}