Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCv1JFt/Lw1+g6Wu44bSwgjknPVxjCCTlE1PYjnrJ/86TRV7ZNVfOO9mkXA… (1,748 chars)"
  }
}