Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHzLn4OVJBSckSdpmqN7zgjcTojTGAD1x6aIAP/pO2faQc1L8IgMWQdpvAZ… (844 chars)"
  }
}