Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD4IZkuv2F+LUTDttKg9moWwGoFRFxK3/3Cq9pWF07dNUE+Vfu6XXMD2bh1… (1,748 chars)"
  }
}