Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEoC7LRvZBgbfUn6fJzWHOKiUCT0SKF97wg/Kt5+O+qiA+cLbSN4V/dWxth… (844 chars)"
  }
}