Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEFICnOOrQtUmKhz/9VUG4X0Zysffs0YpVGPWz+XDkIpG4K8pS8skvtb6dK… (844 chars)"
  }
}