Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAfj7tBsOcl5vFkZ2TB6isrH98jwBDTwtQU1BV0U9yJY1342y8HZKhZx1Rb… (1,748 chars)"
  }
}