Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF2f9OQTC3/SHK329yzedmbggfT6kR8UWxcPCRdOFUXgVPsuqcRwdE1LfnJ… (844 chars)"
  }
}