Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwClRE7oT9tLZucYPwB3UTNZ/4o3wNo4m4OjlEEHxhqEhWEv6YOB4x7XT/mX… (844 chars)"
  }
}