Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEb20dNhdkk+xmYSEyH8lPQKGA7OMpfD81yvG8Mw62E7SusuZOm6z6/CvYV… (844 chars)"
  }
}