Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCX6S1cU4BaPk1T4dRvZPtMiA2a2v1AWnNQCUWH+y2yWlHTFHi4p/8KyFue… (1,748 chars)"
  }
}