Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBYBe/V4Kvj8GB9KVzU0swXTkcz83piArqsvRc0IqjBkx1SA+ZG3f2zLU3X… (1,748 chars)"
  }
}