Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDKATTJbXg/jQn2mkT8GqSzpqQeRkIkuy7ygC2yO1g2JEE6nnKxdcdh70E2… (844 chars)"
  }
}