Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH3cZId9Iu5OFLoA74TA1CfVdRSbkLjp99xg42NNvqmzk92mafoGZ9Vg75P… (1,748 chars)"
  }
}