Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAHSpyKE2aVlNCn6E6G3haaPvjFXldhwFGLo287LUPGFDRgzXpB/o7puCpF… (1,748 chars)"
  }
}