Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBc4uDxCmv6VZP+o0Oa8egHH+Oly0DlhAX+xgn6ysJEBH1PnaldQSobG9Or… (844 chars)"
  }
}