Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG3MWbnRz3ho6+R6Qh+94o2kFtgGB2MJ8Z4gTyezSgugwL1g8hfBk4QsXoB… (844 chars)"
  }
}