Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE/+GIVVYrUi1H5P9Yavqm4NtvPy4LjCndeS2W02whpUlSVq8Mh2w0rNplX… (844 chars)"
  }
}