Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAAOJrO8hPVf7CY9msqx5wiZx91W56BV+LG7XKS/MQ8bA2aAFWlzkoS3Z8U… (1,748 chars)"
  }
}