Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGnRgtKUxVn45X3UaAI4rFx6Or6OWXUCeXSiVpqPDMNgkfQ/Zxe+P9CZDGK… (844 chars)"
  }
}