Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC3WkfsD30+YFZu7VNB/OPadw20Kbt3dYPo6f/hZR4F/xjWOA20w4Hiky7D… (1,748 chars)"
  }
}