Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHGHHZkcrPAQ8D+WUwBec8+hQlONq2f+KXEQ8nWP99lHktZkHBI/1IfbLtx… (844 chars)"
  }
}