Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGLX8juPG/WYle/GVV+iy8PjVDcZlZ2XJP3W4V8oq2pzx8Y86zCPMPLxZO6… (1,748 chars)"
  }
}