Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAHtrL1vfwM0hcX7GYzWXeI6p9dNVeD4B8wPSFcb3Frc3AAmLMifOFkQJlM… (844 chars)"
  }
}