Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCfjGR6DqROa7whF0YnWXkA7M3tZ7ZsrcJC3Lzj+0Y0gzVd+3A68Pq/i+S7… (1,748 chars)"
  }
}