Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFCfXg+wLSAPqwcobAFvbDsQdMbAsQ4wYLc9NG8Uh6oPQcJcj7fp/7XPv2n… (844 chars)"
  }
}