Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEQoEU0DufRE9GqDRc5dj47KcahDL3/P5EtjGP8ZZ+3fkfC4XzuB6BKWdlO… (844 chars)"
  }
}