Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDQhzHKYF5bno3vJ/aDtHVJEv3Fu2NE55TbWWWW5jseGkZWWcLItQn6wGN9… (844 chars)"
  }
}