Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCrEDxPlECxi3sgAVBPupZn+1R7AceD+3eGAGiDEu4he0ClV4MJ/AEzNJMI… (1,748 chars)"
  }
}