Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA0/Aqs0sG0sYdxLmGpfutcJWHqLxm6JHpT+DQa5RDr7V1wxjF6YdBd9Z82… (844 chars)"
  }
}