Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAZMPsX20djbN1uo+NYGObKuLF2nQEC4YkAunOJzL/hjGUCcCQKa0lFQZPo… (1,748 chars)"
  }
}