Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHor4i1iAKDxp+sxayKqYTTsNx8K4H4MnS6Y2HkMKEQ0VAAk9Bcg/tj5uhn… (844 chars)"
  }
}