Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAVaWoaWgP2SRZ/IFsM5LsVrIvTetpk/yDC1OvWtMyawXHW1F7s8w02HJiQ… (1,748 chars)"
  }
}