Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwALTTI/AXsQWoiUXdUZTWGzi8pNSgOLrOQqQqvZ/h8aH3/T49f3W/9D75Cn… (844 chars)"
  }
}