Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwADoVvYSOXdgJ2M1cYJ/jPJQyN1VLsCVXibym5BVkqWIX+V5fxPw+KO0KHB… (844 chars)"
  }
}