Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEAG6Xp9iLTugWJ+j9xDRzGBmYwoOAlvB2YSN4tqNyn+xlRg/gD1h1G0h5N… (844 chars)"
  }
}