Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF22UDEMD2ZtO80Xyc687hFAkJvmZnQGiC3aHgSUJGBPn7VX7jgn5dzPe9p… (844 chars)"
  }
}