Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBGahG0jAgWK31+E3xDghnHaXjAd3hKFx3VrPAUxkFT+WF9I/fci0gJjIqH… (844 chars)"
  }
}