Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC/nXzwmwkP2taerywZYJXRTfvkq+vxr8xF/4lyk2cSZSlJXZX4ncbt/2Ic… (1,748 chars)"
  }
}