Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE8k/f8SdQlYdhM2yx9aDuYTwFccM0yPuE1XfH1FqPqM1VtOZ4OFfHWuRBF… (844 chars)"
  }
}