Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDBNxSv5lUV0RMz/0fv3OQv99/+cOyGGP9n4wdz+9Jq73ir9y8uJpWVSZDe… (844 chars)"
  }
}