Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFAw2PCe8fmDcuqyDSTAPm+BXzdSEyMcXONaKKIdUcG2zriwIH/6cUYsEGJ… (1,748 chars)"
  }
}