Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHE0XLB/gVcGTWd8vvNGj6IeGwQ1AL/UIHgqIe+/2O2fx3v8viQC6SyR2PS… (844 chars)"
  }
}