Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBkGTI8LGed2S0N2fWOka3mGFRO62MNV75lB+XHx8DWGAPe6C3sDHXXJbG2… (844 chars)"
  }
}