Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH6JCMUNR01uhZiZkVHi9I9TTi1BbOI1P+rWqScTH0R9g1VkgP5bG14zRKe… (844 chars)"
  }
}