Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF5/T+Ph2t+lQQZjM3ZMXf0ymMyh3ze0GmOmCQ2MOFjsHlVv6uLUH7Rf6U3… (844 chars)"
  }
}