Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAHFzpexkul03xZdpA6XRD/SYiUuidwz75CsA9ZbOF1fiv1w6rwmCmvkJ9z… (1,748 chars)"
  }
}