Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAx/3bCOGMRXQAEIS+hPVDGPB1LW2DlhKKEOgM7pZ7fL1OPYHJ4b8EW04Dr… (844 chars)"
  }
}