Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHUmTQvypvHCEwHKa5K2VV1B11Ktjehh0pJ0jwQiTSRdXbu1/YIuF8BqcRw… (844 chars)"
  }
}