Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF7UAoMwu85Qv2pcicpgcE/DkjV6AwOfg8XQoSZUftJyDhzyBE20fFZdLyO… (1,748 chars)"
  }
}