Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB5p2/dgT0DKU5All/3eN9e3d7y3E2urhMiN2HzsbFKdGlsdaYJ0vHe4sYJ… (1,748 chars)"
  }
}