Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHxvAlsf59fBqV/UcZvvwZWxQLUZMW+aHXZnQg1CcCYICKqPDuHwFjm+Nfw… (844 chars)"
  }
}