Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGHxI9i1b8xQzTgq01dOCjJUtl7bGNlDaBjo/3PykIy4xoFYpOHc8WVNZ/D… (844 chars)"
  }
}