Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFXa69hA7sESs8nq6Cr+4x5u6wlI/y7j0W+EVY0LVmQWmegFWp0f9fhqOuo… (844 chars)"
  }
}