Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFIkyODdVbrfGBNWwpTR5S6mYRFqunX7hQ6fy8w8G1GyjDx9sfSVsftNmps… (1,748 chars)"
  }
}