Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFGTsYuR/RV1TOCu/eBH9aGBdHj4SebKv2w1Aa1LeWzVlKCrF0dJjbirxTJ… (1,748 chars)"
  }
}