Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFrNp11S1qP7jhTFsJk6SYA1w2XYAbTj0M1Y+zHT6TPRhn+0HJI5XiDWyTM… (844 chars)"
  }
}