Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAOQOaY1ddeMmqw+SL4AHGisIIj8H1XTEdqj5b5hOVjfWZx24UNXbSK7gg4… (844 chars)"
  }
}