Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCCXpLHpptH/SnCJ6pNVniEbicpiZAVzoT19iLAIN38fz7tMFnWnQ5yV4r5… (1,748 chars)"
  }
}