Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBzPDvJEhu7gc+b0Pq4nNPRU63r33UMFbh+DubT2nE7PyeLjjlOc7CtpLF+… (1,748 chars)"
  }
}