Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB4MhFPRYTyaOlGW2UuHgVDqmjDLNJO+ssnWSZkxun0mm2cCZFPY1hVcOW+… (844 chars)"
  }
}