Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF+X14WXtHlQjh1QCkWRE8I0pHkb9Jf3ZBrr+8diJwR6iAsJTvLkA/UUbZh… (844 chars)"
  }
}