Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCxxJRlqLiCx3jBW2z0DeGF2vexIJM1xDGBbT0acfdLGxvknnjt0ES8Tlzp… (1,748 chars)"
  }
}