Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF9GyQaXjA5LDiEcu/Km7VTVS/vr4/GgR3T3h0RnHXHQHr1UIiWudjEAzsc… (844 chars)"
  }
}