Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCX+qEscTKJ45HrVzLT09cTSMfzwD3452cOzR4HvuK4Fw3fwawtZSd4hqek… (1,748 chars)"
  }
}