Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAZmc7iHKZBtJT9oZZ0GuOynQPe0sZTQndJNeyiZEk+K0P4SHrIT0AtYPBJ… (1,748 chars)"
  }
}