Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGEoVCNEI19NifTpsZQXL4ZqgXppYiJ35zDuT5Xbcv/rg/X9lfn6hYklOVx… (844 chars)"
  }
}