Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQKC3BLJ88nYuOEYNBXxl/4x52lCUcMUqcaLZINaDm1y3wZazmATFZJPRKuE… (1,748 chars)"
  }
}