Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH4RWu29C9/oMY9MA1XInGNMNI4VQ8zPnnbJVXzVWMaTBBf0x67doSK6hbS… (1,748 chars)"
  }
}