Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBSMEEk7J4CHPfC/HcPt6OvFaXzCQkCmMGu4pvoYJRroDvdYBbE1Nb4LqR5… (1,748 chars)"
  }
}