Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB/61/KZZf0vI9hINSiUwi7RYT6d2B437mzOP8mkl+gMmVRtkI1RW5qi3o7… (1,748 chars)"
  }
}