Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA9Lxg1JaTCI+UOPt78QyBDu3nZrfyRKlMXFoQhFnebJmGOV3gmcGCu36Tx… (844 chars)"
  }
}