Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGf5Q+I3cuePyqqDiZKetNw3n7EvgR+DWe4sIhXXYi+NgMbzKD5uDcT+8Tc… (844 chars)"
  }
}