Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH3ePZzIVy2oap4q9kf0l4v9Uxi4IQYWFbwuDhHl9wey0EzpqebwOgM4F+8… (844 chars)"
  }
}