Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF+8wQZ5xohh6ZxGom42Dq6PNbrGPY4uytFZRI4YEqaqXxbmWZH7JwHbn3J… (1,748 chars)"
  }
}