Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAPTQb4m7HR9zqzD1eKY7kIR4vkHBU0GTDP/Os9+gdoHHtJhF/+Kb6p7zF4… (1,748 chars)"
  }
}