Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGxiWbAzOLgbGczklTHVS/MEd4FdTs3Wst3Hrf+FzGMa1rIgUNEDEPgc5iu… (844 chars)"
  }
}