Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD4xX76TGGuKmgNnVWmETcsdoHAVycNrNtGiS6f7/q0wzgDoTu4Uz0gwBYQ… (1,748 chars)"
  }
}