Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGT/+oMlg/r7TtxVK6zj01wfisG8hPPsZt3RlQ6yrp5NA8tNm9KEPDLbq5+… (844 chars)"
  }
}