Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCQKu41/MHPB4KU1GHfFZ/M4Wu4ziYG7CAkD2jXf5dnqWgHeOnpoXHuNUDL… (1,748 chars)"
  }
}