Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHjF+qNJJ2UH5k1JY1p8Kch8IXd8WNrk+XQEcAQef1O6xWXudpMxTLTrmXd… (844 chars)"
  }
}