Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFr69O4UWVtQwOJEggS8ZQe3jXIrHiNw1WGhMmP5DMlnV+qCU8+OBl7aSz8… (844 chars)"
  }
}