Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCR5GNU9o3tqhxD/Wy+FddEFW65ahXKz+XoRMNpppNxiRWBneyLupVbYAuw… (1,748 chars)"
  }
}