Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCPBv7HOHN3hbMF+c1ljgV3sr8lOrvryOEAG16FGyNBzCRCuCTZSuSwgRgw… (1,748 chars)"
  }
}