Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDPM9cvr9BdkGEUg/0y7ikqbQphBOmzzWOxdH1XpS9F2D1wOzXqcnizrEJa… (844 chars)"
  }
}