Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDdQjS6wgOVw/i5G/5FakpEWprDhier3bpF55BkG6gYJEK2y3Cb9ZvZu/h+… (1,748 chars)"
  }
}