Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCaCqV/7DqU9afRHiw5uuk3yjMN0YEQGVOieeYq/L9x4gzwTFdnSjPEyzSZ… (844 chars)"
  }
}