Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFgsgzhm2BZPw0GfT/ZYYv/g/wfOb4n1LdtdmGVcGJtiTrrsa5yHNL6EJ2E… (844 chars)"
  }
}