Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH2SEwgRqHKMYYPgEdC4uGUz4RmNHQEDwC2NnuvJmNh3GrXu1u/p89H8Ley… (1,748 chars)"
  }
}