Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCqUEE+Tcj9vdFH9hrq20cIop9D+6HlYrKW7pZ9zQwbQF5e7tktwZDM7h2/… (844 chars)"
  }
}