Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBAS6vxgHEezGb+8P7xJr1sN1SxmPYdyTCi7fMC2fxhyhdqXAo9qMWL2c3T… (844 chars)"
  }
}