Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQIb5fKTNEJI3kNDtPsm7ShXDAuOH9TyDrUGYeASnj71t2x75i+QHBJdO8Uk… (1,748 chars)"
  }
}