Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCBG1zq3ugO6hVfAN3ZJ89ijsOEEbU1/ZDr07z5Yp2S0C3cRcp+YH7TXznO… (1,748 chars)"
  }
}