Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEDTQ1AWr1sDiPZbqsOkvD/ebyZlah3U8pYBneTd+RsYiDyeNWFOxcbSH5+… (844 chars)"
  }
}