Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFZi4ViE1qL910p+vVp1EGe/6QxujCM44HlMlzaVAiAfn8UCE84QpJiB3mZ… (1,748 chars)"
  }
}