Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE8a8kEYV+R6UH6MPRy66J1sX+WJtw6KN2rERSmAZ1WkQzzRwTc6i3I1RxV… (844 chars)"
  }
}