Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC1Dl6KDThzg2z7qDtcLPdzlTaFLov/Lgcf+yPiAY8Ix1IA4Wb99MJx8HVE… (844 chars)"
  }
}