Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDfjlJ4EajjOPpFqVs8iiMs1d3VCv5uFjb+hyd0zO1utXpJk1JfD83tYxMJ… (1,748 chars)"
  }
}