Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGzm6MBkEzrWrpp9y3s7P2HgzHbZSa7z4VkzYfUJZHsw03jki1lD8KRDxEF… (844 chars)"
  }
}