Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDDCBVwlJ8HGbPo3s/WUJBZ+2fJteAj/FObFbUstCcd5Re4WmfW8GHOb4Pw… (1,748 chars)"
  }
}