Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCIJ3LUleAhCv/kfxz2xrMBMNH1Prt56TOB4xyaknlwV0Zjkocbg5Gx4i/w… (1,748 chars)"
  }
}