Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGdGKJdIZKK8jmrLeqgme9xqgPYCwzUeR4gQ/Rv+k0zHDYzqW/OvEk3e2oH… (844 chars)"
  }
}